Vulnerability · Published Jan 22, 2026 · Assigned by VulDB
CVE-2026-1329Tenda AX1803 WifiGuestSet fromGetWifiGuestBasic stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AX1803 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.2%top 31.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Tenda AX1803 1.0.0.1. The affected element is the function fromGetWifiGuestBasic of the file /goform/WifiGuestSet. Executing a manipulation of the argument guestWrlPwd/guestEn/guestSsid/hideSsid/guestSecurity can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-342305 | Tenda AX1803 WifiGuestSet fromGetWifiGuestBasic stack-based overflow vdb-entry, technical-description
- VDB-342305 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #736063 | Tenda AX1803 V1.0.0.1 Stack-based Buffer Overflow third-party-advisory
- Submit #736064 | Tenda AX1803 V1.0.0.1 Stack-based Buffer Overflow (Duplicate) third-party-advisory
- Submit #736065 | Tenda AX1803 V1.0.0.1 Stack-based Buffer Overflow (Duplicate) third-party-advisory
- Submit #736066 | Tenda AX1803 V1.0.0.1 Stack-based Buffer Overflow (Duplicate) third-party-advisory
- Submit #736067 | Tenda AX1803 V1.0.0.1 Stack-based Buffer Overflow (Duplicate) third-party-advisory
- https://river-brow-763.notion.site/Tenda-AX1803-Buffer-Overflow-in-fromGetWifiGusetBasic-2e3a595a7aef80a78225db34317daa40#2e3a595a7aef801ab517e4af5631227a exploit
- https://www.tenda.com.cn/ product