TI-2025-43203 Aliases CVE-2025-71021 GHSA-29x9-q4j7-wg69

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName…

HIGH 72CWE-121Published 2026-01-14 · Updated 2026-01-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

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

Summary

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub_65A28 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00458 39th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ax1806_firmware:1.0.0.1:::::::*	1.0.0.1	Vulnerable	Tenda
cpe:2.3:h:tenda:ax1806:-:::::::*	not specified by NVD	Running on	Tenda

cpe:2.3:o:tenda:ax1806_firmware:1.0.0.1:*:*:*:*:*:*:* Versions 1.0.0.1 Vulnerable ·Tenda
cpe:2.3:h:tenda:ax1806:-:*:*:*:*:*:*:* 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-2025-71021
2026-10-03 Alias added: GHSA-29x9-q4j7-wg69

References

Exploit 1

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/7/1.md

TI-2024-29910 Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo. CVSS 3.1CRITICAL 9.8
TI-2024-29907 Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formGetIptv. CVSS 3.1CRITICAL 9.8
TI-2024-26913 A vulnerability in /goform/SetStaticRouteCfg in the sub_519F4 function in Tenda AX1806… CVSS 3.1CRITICAL 9.8
TI-2024-23484 Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formSetIptv. CVSS 3.1CRITICAL 9.8
TI-2024-23480 Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv. CVSS 3.1CRITICAL 9.8
TI-2023-25658 Tenda AX1806 V1.0.0.1 contains a stack overflow vulnerability in function sub_455D4… CVSS 3.1CRITICAL 9.1

See all 60 →

Sources

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