TI-2025-05049 Aliases CVE-2025-5609 GHSA-pfgm-6vwx-85w9

Tenda AC18 AdvSetLanip fromadvsetlanip buffer overflow

HIGH 71CWE-119Published 2025-06-04 · Updated 2025-06-04

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 classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be launched 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: Partial

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	AC18	15.03.05.05	—	No fix listed	CNA

AC18 VendorTenda Affected 15.03.05.05 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:::::::*	15.03.05.05	Vulnerable	Tenda
cpe:2.3:h:tenda:ac18:-:::::::*	not specified by NVD	Running on	Tenda

cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:*:*:*:*:*:*:* Versions 15.03.05.05 Vulnerable ·Tenda
cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-5609
2026-10-03 Alias added: GHSA-pfgm-6vwx-85w9

References

Exploit 1

https://lavender-bicycle-a5a.notion.site/Tenda-AC18-fromadvsetlanip-20653a41781f800fbc7bf9ca193c08e3?source=copy_link

Other 1

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

TI-2024-37948 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP… CVSS 3.1CRITICAL 9.8
TI-2024-37947 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn… CVSS 3.1CRITICAL 9.8
TI-2024-37946 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName… CVSS 3.1CRITICAL 9.8
TI-2024-37945 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp… CVSS 3.1CRITICAL 9.8
TI-2024-37942 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the ssid parameter… CVSS 3.1CRITICAL 9.8
TI-2024-22327 Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function. CVSS 3.1CRITICAL 9.8

See all 102 →

Sources

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