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TI-2026-02826 Aliases CVE-2026-3274GHSA-pcpr-68v2-x3jj

Tenda F453 httpd L7Prot frmL7ProtForm buffer 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 security flaw has been discovered in Tenda F453 1.0.0.3. Affected by this issue is the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01033 64th 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
TendaF4531.0.0.3—No fix listedCNA
  • F453 VendorTenda Affected 1.0.0.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*1.0.0.3VulnerableTenda
cpe:2.3:h:tenda:f453:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:* Versions 1.0.0.3 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:f453:-:*:*:*:*:*:*:* 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-2026-3274
  2. 2026-10-03 Alias added: GHSA-pcpr-68v2-x3jj

References

Exploit 1

Other 1

  • TI-2026-02916 Tenda F453 L7Im frmL7ImForm buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-02915 Tenda F453 SetIpBind fromSetIpBind buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-02914 Tenda F453 qossetting fromqossetting buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-02913 Tenda F453 SafeUrlFilter fromSafeUrlFilter buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-02912 Tenda F453 SafeMacFilter fromSafeMacFilter buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-04379 Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow CVSS 4.0HIGH 8.7
See all 29 →

Sources

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