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TI-2025-06774 Aliases CVE-2025-7434GHSA-pm7f-pvmf-hhwh

Tenda FH451 POST Request addressNat fromAddressNat 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 FH451 up to 1.0.0.9 and classified as critical. Affected by this issue is the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00976 62nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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
TendaFH4511.0.0.0; 1.0.0.1; 1.0.0.2; 1.0.0.3; 1.0.0.4; 1.0.0.5; 1.0.0.6; 1.0.0.7; 1.0.0.8; 1.0.0.9—No fix listedCNA
  • FH451 VendorTenda Affected 1.0.0.0; 1.0.0.1; 1.0.0.2; 1.0.0.3; 1.0.0.4; 1.0.0.5; 1.0.0.6; 1.0.0.7; 1.0.0.8; 1.0.0.9 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:fh451_firmware:*:*:*:*:*:*:*:*up to 1.0.0.9VulnerableTenda
cpe:2.3:h:tenda:fh451:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:fh451_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.0.9 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:fh451:-:*:*:*:*:*:*:* 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-2025-7434
  2. 2026-10-03 Alias added: GHSA-pm7f-pvmf-hhwh

References

  • TI-2024-30872 Tenda FH451 v1.0.0.9 has a command injection vulnerability in the formexeCommand function i CVSS 3.1CRITICAL 9.8
  • TI-2024-30870 Tenda FH451 v1.0.0.9 has a stack overflow vulnerability located in the RouteStatic function. CVSS 3.1CRITICAL 9.8
  • TI-2026-03940 Tenda FH451 WrlclientSet stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03939 Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03173 Tenda FH451 AdvSetWan sub_3C434 stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03172 Tenda FH451 setcfm fromSetCfm stack-based overflow CVSS 4.0HIGH 8.7
See all 27 →

Sources