TI-2024-03941 Aliases CVE-2024-4236 GHSA-pvgx-c7xr-3j3w

Tenda AX1803 SetDDNSCfg formSetSysToolDDNS stack-based overflow

HIGH 73CWE-121Published 2024-04-26 · Updated 2024-08-01

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, which was classified as critical, has been found in Tenda AX1803 1.0.0.1. This issue affects the function formSetSysToolDDNS of the file /goform/SetDDNSCfg. The manipulation of the argument serverName/ddnsUser/ddnsPwd/ddnsDomain leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-262127. 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 0.14879 96th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

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	AX1803	1.0.0.1	—	No fix listed	CNA

AX1803 VendorTenda Affected 1.0.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ax1803_firmware:1.0.0.1:::::::*	1.0.0.1	Vulnerable	Tenda
cpe:2.3:h:tenda:ax1803:-:::::::*	not specified by NVD	Running on	Tenda

cpe:2.3:o:tenda:ax1803_firmware:1.0.0.1:*:*:*:*:*:*:* Versions 1.0.0.1 Vulnerable ·Tenda
cpe:2.3:h:tenda:ax1803:-:*:*:*:*:*:*:* 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-2024-4236
2026-10-03 Alias added: GHSA-pvgx-c7xr-3j3w

References

Exploit 1

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AX/AX1803/formSetSysToolDDNS.md

TI-2024-20325 Tenda AX1803 v1.0.0.1 contains a stack overflow via the serviceName parameter in the function fromAdvSetMacMtuWan. CVSS 3.1CRITICAL 9.8
TI-2023-28486 Tenda AX1803 v1.0.0.1 was discovered to contain a command injection vulnerability via the function fromAdvSetLanIp. CVSS 3.1CRITICAL 9.8
TI-2023-28485 Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function getIptvInfo. CVSS 3.1CRITICAL 9.8
TI-2023-28484 Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv. CVSS 3.1CRITICAL 9.8
TI-2023-28482 Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo. CVSS 3.1CRITICAL 9.8
TI-2023-28480 Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function setIptvInfo. CVSS 3.1CRITICAL 9.8

See all 59 →

Sources

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