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TI-2024-03643 Aliases CVE-2024-3905GHSA-fmm2-689v-6x4p

Tenda AC500 execCommand R7WebsSecurityHandler stack-based overflow

Priority MEDIUM 42CWE-121Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been classified as critical. This affects the function R7WebsSecurityHandler of the file /goform/execCommand. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-261141 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01773 78th 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
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaAC5002.0.1.9(1307)—No fix listedCNA
  • AC500 VendorTenda Affected 2.0.1.9(1307) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:*2.0.1.9(1307)VulnerableTenda
cpe:2.3:h:tenda:ac500:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:* Versions 2.0.1.9(1307) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac500:-:*:*:*:*:*:*:* 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-2024-3905
  2. 2026-10-03 Alias added: GHSA-fmm2-689v-6x4p

References

Exploit 1

  • TI-2023-10679 Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromRouteStatic… CVSS 3.1CRITICAL 9.8
  • TI-2024-03645 Tenda AC500 setcfm formSetCfm stack-based overflow CVSS 3.1CRITICAL 9.8
  • TI-2023-10680 Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromAddressNat… CVSS 3.1CRITICAL 9.8
  • TI-2025-06923 Tenda AC500 setWtpData formSetAPCfg stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2023-24718 A Buffer Overflow vulnerability in Tenda AC500 v.2.0.1.9 allows a remote attacker to… CVSS 3.1HIGH 7.5
  • TI-2024-03648 Tenda AC500 DhcpListClient fromDhcpListClient stack-based overflow CVSS 3.1HIGH 8.8
See all 15 →

Sources

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