TI-2024-02665 Aliases CVE-2024-2855 GHSA-5q2w-46cp-3v4g

Tenda AC15 SetSysTimeCfg fromSetSysTime stack-based overflow

HIGH 76CWE-121Published 2024-03-24 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
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 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability classified as critical was found in Tenda AC15 15.03.05.18/15.03.05.19/15.03.20. Affected by this vulnerability is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument time leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-257779. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01298 70th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Tenda	AC15	15.03.05.18; 15.03.05.19; 15.03.20	—	No fix listed	CNA

AC15 VendorTenda Affected 15.03.05.18; 15.03.05.19; 15.03.20 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:::::::*	15.03.05.18	Vulnerable	Tenda
cpe:2.3:o:tenda:ac15_firmware:15.03.05.19:::::::*	15.03.05.19	Vulnerable	Tenda
cpe:2.3:o:tenda:ac15_firmware:15.03.20_multi:::::::*	15.03.20_multi	Vulnerable	Tenda
cpe:2.3:h:tenda:ac15:1.0:::::::*	1.0	Running on	Tenda

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:* Versions 15.03.05.18 Vulnerable ·Tenda
cpe:2.3:o:tenda:ac15_firmware:15.03.05.19:*:*:*:*:*:*:* Versions 15.03.05.19 Vulnerable ·Tenda
cpe:2.3:o:tenda:ac15_firmware:15.03.20_multi:*:*:*:*:*:*:* Versions 15.03.20_multi Vulnerable ·Tenda
cpe:2.3:h:tenda:ac15:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-2855
2026-10-03 Alias added: GHSA-5q2w-46cp-3v4g

References

Exploit 1

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC15/V1.0%20V15.03.20_multi/fromSetSysTime.md

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