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TI-2026-07169 Aliases CVE-2026-8138GHSA-v5fc-fw74-r356

Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability was found in Tenda CX12L 16.03.53.12. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg”. The manipulation results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00568 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaCX12L16.03.53.12—No fix listedCNA
  • CX12L VendorTenda Affected 16.03.53.12 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:cx12l_firmware:16.03.53.12:*:*:*:*:*:*:*16.03.53.12VulnerableTenda
cpe:2.3:h:tenda:cx12l:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:cx12l_firmware:16.03.53.12:*:*:*:*:*:*:* Versions 16.03.53.12 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:cx12l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8138
  2. 2026-10-03 Alias added: GHSA-v5fc-fw74-r356
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 1

  • TI-2026-04992 Tenda CX12L NatStaticSetting fromNatStaticSetting stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-04991 Tenda CX12L RouteStatic fromRouteStatic stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-04990 Tenda CX12L addressNat fromAddressNat stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-04989 Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow CVSS 4.0HIGH 8.6
  • TI-2026-04988 Tenda CX12L P2pListFilter fromP2pListFilter stack-based overflow CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences