CVE-2026-12219 (GCVE-0-2026-12219)

Vulnerability from cvelistv5 – Published: 2026-06-15 04:30 – Updated: 2026-06-27 05:44
VLAI
Title
Yealink SIP-T46U Web FastCGI Service start mod_diagnose.CommandShellByType command injection
Summary
A flaw has been found in Yealink SIP-T46U 108.86.0.118. The impacted element is the function mod_diagnose.CommandShellByType of the file /api/diagnosis/start of the component Web FastCGI Service. This manipulation of the argument Time causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. Upgrading to version 108.87.0.23 is sufficient to resolve this issue. It is advisable to upgrade the affected component.
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: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/370862 vdb-entrytechnical-description
https://vuldb.com/vuln/370862/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12219 third-party-advisory
https://vuldb.com/submit/834204 third-party-advisory
http://cdn2.v50to.cc/T46U/T46U_mod_diagnose_Comma… broken-linkexploit
Impacted products
Vendor Product Version
Yealink SIP-T46U Affected: 108.86.0.118
Unaffected: 108.87.0.23
    cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
CookedMelon (VulDB User)
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


Detection rules are retrieved from Rulezet.