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TI-2026-02935 Aliases CVE-2026-3400GHSA-mx33-f7v7-3fmw

Tenda AC15 TextEditingConversion 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 security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched 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 0.00978 62nd 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
TendaAC1515.13.07.0; 15.13.07.1; 15.13.07.2; 15.13.07.3; 15.13.07.4; 15.13.07.5; 15.13.07.6; 15.13.07.7; 15.13.07.8; 15.13.07.9; 15.13.07.10; 15.13.07.11; 15.13.07.12; 15.13.07.13—No fix listedCNA
  • AC15 VendorTenda Affected 15.13.07.0; 15.13.07.1; 15.13.07.2; 15.13.07.3; 15.13.07.4; 15.13.07.5; 15.13.07.6; 15.13.07.7; 15.13.07.8; 15.13.07.9; 15.13.07.10; 15.13.07.11; 15.13.07.12; 15.13.07.13 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac15_firmware:*:*:*:*:*:*:*:*up to 15.13.07.13VulnerableTenda
cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac15_firmware:*:*:*:*:*:*:*:* Versions up to 15.13.07.13 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:* 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-2026-3400
  2. 2026-10-03 Alias added: GHSA-mx33-f7v7-3fmw

References

Exploit 1

Other 1

  • TI-2020-08863 The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-19426 An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
  • TI-2026-19425 A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
  • TI-2026-19424 An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. CVSS 3.1CRITICAL 9.8
  • TI-2025-21094 A buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. CVSS 3.1CRITICAL 9.8
  • TI-2025-19077 Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet. CVSS 3.1CRITICAL 9.8
See all 84 →

Sources

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