Read the docs
TI-2026-04878 Aliases CVE-2026-5567GHSA-jwvm-hq84-h9cj

Tenda M3 Destination setAdvPolicyData 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 flaw has been found in Tenda M3 1.0.0.10. This vulnerability affects the function setAdvPolicyData of the file /goform/setAdvPolicyData of the component Destination Handler. Executing a manipulation of the argument policyType can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00644 51st 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
TendaM31.0.0.10—No fix listedCNA
  • M3 VendorTenda Affected 1.0.0.10 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:m3_firmware:1.0.0.10:*:*:*:*:*:*:*1.0.0.10VulnerableTenda
cpe:2.3:h:tenda:m3:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:m3_firmware:1.0.0.10:*:*:*:*:*:*:* Versions 1.0.0.10 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:m3:-:*:*:*:*:*:*:* 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-2026-5567
  2. 2026-10-03 Alias added: GHSA-jwvm-hq84-h9cj

References

  • TI-2023-27928 Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function upgrade. CVSS 3.1CRITICAL 9.8
  • TI-2025-13930 Tenda M3 exeCommand stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-13929 Tenda M3 setDhcpAP formSetRemoteDhcpForAp stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-13911 Tenda M3 setInternetLanInfo formSetRemoteInternetLanInfo heap-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-13910 Tenda M3 setAdInfoDetail formSetAdInfoDetails heap-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-13909 Tenda M3 setAdPushInfo formSetAdPushInfo stack-based overflow CVSS 4.0HIGH 8.7
See all 44 →

Sources