CVE-2024-30621
CWE-787Published: April 2, 2024· Updated: Jun 17, 2026
Official Description
Tenda AX1803 v1.0.0.1 contains a stack overflow via the serverName parameter in the function fromAdvSetMacMtuWan.
Risk Analysis
This vulnerability is a stack overflow in Tenda AX1803 firmware triggered via the serverName parameter. It carries a critical CVSS score of 9.8, indicating that it is highly severe and allows for full system compromise.
There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog. It is remotely exploitable with low attack complexity.
Users should update the Tenda AX1803 firmware to the latest available version to address this stack overflow flaw.
Technical Analysis
CVE-2024-30621 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-30621 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts