TI-2025-05279 Aliases CVE-2025-5851 GHSA-629p-hwcg-x88h

Tenda AC15 HTTP POST Request AdvSetLanip fromadvsetlanip buffer overflow

HIGH 73CWE-119Published 2025-06-08 · Updated 2025-06-09

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 vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been rated as critical. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip of the component HTTP POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01057 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

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

AC15 VendorTenda Affected 15.03.05.19_multi Fixed in — No fix listed CNA

CPE configurations NVD · 2

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

cpe:2.3:o:tenda:ac15_firmware:15.03.05.19_multi:*:*:*:*:*:*:* Versions 15.03.05.19_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-2025-5851
2026-10-03 Alias added: GHSA-629p-hwcg-x88h

References

Exploit 1

https://candle-throne-f75.notion.site/Tenda-AC15-fromadvsetlanip-20adf0aa118580a09182c1c5c42079fc

Other 1

https://www.tenda.com.cn/

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