CVE-2024-0991
CWE-121Published: January 29, 2024· Updated: Jun 17, 2026
Official Description
A vulnerability has been found in Tenda i6 1.0.0.9(3857) and classified as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component httpd. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Risk Analysis
A critical stack-based buffer overflow in the Tenda i6 web interface allows remote attackers to compromise the device. The vulnerability carries a 9.8 CVSS score.
Public exploit code is available, but the vulnerability is not in the CISA KEV catalog. It is remotely exploitable.
Update the Tenda i6 firmware to the latest version. Ensure the device is not exposed directly to the internet.
Technical Analysis
CVE-2024-0991 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.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-121)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-0991 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts