CVE-2024-0539 — A vulnerability was found in Tenda W9 1

A vulnerability was found in Tenda W9 1.0.0.7(4456) and classified as critical. This issue affects the function formQosManage_user of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The ex

01What is this vulnerability?

A vulnerability was found in Tenda W9 1.0.0.7(4456) and classified as critical. This issue affects the function formQosManage_user of the component httpd. The manipulation of the argument ssidIndex 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 identifier VDB-250709 was assigned to this vulnerability…

02Affected products

Vendor	Product	Versions
Tenda	W9	1.0.0.7(4456)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-01-15T04:31:04.023Z
• Last modified: 2025-06-03T14:01:34.808Z

09References

• vuldb.com — https://vuldb.com/?id.250709
• vuldb.com — https://vuldb.com/?ctiid.250709
• github.com — https://github.com/jylsec/vuldb/blob/main/Tenda/W9/4/README.md