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CNVD-2026-34833

Vulnerability from cnvd - Published: 2026-08-28

Title

WAVLINK WL-NU516U1-A命令注入漏洞

Description

WAVLINK WL-NU516U1-A是Wavlink品牌推出的一款‌USB2.0无线打印服务器‌。 WAVLINK WL-NU516U1-A存在命令注入漏洞，该漏洞源于组件POST Parameter Handler的文件/cgi-bin/wireless.cgi中的函数sub_401D68未能正确验证参数SSID2G2/SSID5G2/AuthMethod2/WPAPSK12的输入，目前没有详细的漏洞细节提供。

Severity

中

Patch Name

WAVLINK WL-NU516U1-A命令注入漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://docs.wavlink.xyz/Firmware/?category=USB+Printer+Server&model=WL-NU516U1-A

Reference

https://vuldb.com/vuln/374546

Impacted products

Name
WAVLINK WL-NU516U1-A M16U1_V240425

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-13538",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-13538"
    }
  },
  "description": "WAVLINK WL-NU516U1-A\u662fWavlink\u54c1\u724c\u63a8\u51fa\u7684\u4e00\u6b3e\u200cUSB2.0\u65e0\u7ebf\u6253\u5370\u670d\u52a1\u5668\u200c\u3002\n\nWAVLINK WL-NU516U1-A\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7ec4\u4ef6POST Parameter Handler\u7684\u6587\u4ef6/cgi-bin/wireless.cgi\u4e2d\u7684\u51fd\u6570sub_401D68\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u53c2\u6570SSID2G2/SSID5G2/AuthMethod2/WPAPSK12\u7684\u8f93\u5165\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51:\r\nhttps://docs.wavlink.xyz/Firmware/?category=USB+Printer+Server\u0026model=WL-NU516U1-A",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-34833",
  "openTime": "2026-08-28",
  "patchDescription": "WAVLINK WL-NU516U1-A\u662fWavlink\u54c1\u724c\u63a8\u51fa\u7684\u4e00\u6b3e\u200cUSB2.0\u65e0\u7ebf\u6253\u5370\u670d\u52a1\u5668\u200c\u3002\r\n\r\nWAVLINK WL-NU516U1-A\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7ec4\u4ef6POST Parameter Handler\u7684\u6587\u4ef6/cgi-bin/wireless.cgi\u4e2d\u7684\u51fd\u6570sub_401D68\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u53c2\u6570SSID2G2/SSID5G2/AuthMethod2/WPAPSK12\u7684\u8f93\u5165\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "WAVLINK WL-NU516U1-A\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "WAVLINK WL-NU516U1-A M16U1_V240425"
  },
  "referenceLink": "https://vuldb.com/vuln/374546",
  "serverity": "\u4e2d",
  "submitTime": "2026-06-30",
  "title": "WAVLINK WL-NU516U1-A\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2026-13538 (GCVE-0-2026-13538)

Vulnerability from cvelistv5 – Published: 2026-06-29 05:15 – Updated: 2026-06-29 13:48

Title

Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection

Summary

A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-29 13:47 UTC

CWE

CWE-77 - Command Injection
CWE-74 - Injection

Assigner

VulDB mitre root

References

10 references

URL	Tags
https://vuldb.com/vuln/374546	vdb-entrytechnical-description
https://vuldb.com/vuln/374546/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13538	third-party-advisory
https://vuldb.com/submit/834019	third-party-advisory
https://vuldb.com/submit/834021	third-party-advisory
https://vuldb.com/submit/834022	third-party-advisory
https://vuldb.com/submit/834023	third-party-advisory
https://github.com/Svigo-o/Wavlink_vul/tree/main/…	related
https://github.com/Svigo-o/Wavlink_vul/tree/main/…	exploit
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U…	patch

Impacted products

1 product

Vendor	Product	Version
Wavlink	WL-NU516U1-A	Affected: M16U1_V240425 cpe:2.3:a:wavlink:wl-nu516u1-a::::::::

Credits

HustBinary (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-13538",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T13:47:32.393217Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          "dateUpdated": "2026-06-29T13:48:00.057Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:wavlink:wl-nu516u1-a:*:*:*:*:*:*:*:*"
          ],
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            "POST Parameter Handler"
          ],
          "product": "WL-NU516U1-A",
          "vendor": "Wavlink",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "reporter",
          "value": "HustBinary (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
        }
      ],
      "metrics": [
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          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
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          "cvssV3_1": {
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        },
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          "cvssV3_0": {
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            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
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      "problemTypes": [
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      "providerMetadata": {
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          "tags": [
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          "url": "https://vuldb.com/vuln/374546/cti"
        },
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        },
        {
          "name": "Submit #834019 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection",
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          "url": "https://vuldb.com/submit/834019"
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          "url": "https://vuldb.com/submit/834021"
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          "tags": [
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          "url": "https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injection"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injection"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin"
        }
      ],
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          "time": "2026-06-28T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-06-28T12:06:40.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection"
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  "cveMetadata": {
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    "datePublished": "2026-06-29T05:15:13.662Z",
    "dateReserved": "2026-06-28T10:01:35.649Z",
    "dateUpdated": "2026-06-29T13:48:00.057Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CNVD-2026-34833

CVE-2026-13538 (GCVE-0-2026-13538)

Tags

Sightings

Nomenclature

Related by attack behaviour