CVE-2023-35967 — Two heap-based buffer overflow vulnerabilities exist in the gwcfg_cgi_set_manage

Two heap-based buffer overflow vulnerabilities exist in the gwcfg_cgi_set_manage_post_data functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to a heap buffer overflow. An attacker can send a network request to trigger these vulnerabilities.T

01What is this vulnerability?

Two heap-based buffer overflow vulnerabilities exist in the gwcfg_cgi_set_manage_post_data functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to a heap buffer overflow. An attacker can send a network request to trigger these vulnerabilities.This integer overflow result is used as argument for the malloc function.

02Affected products

Vendor	Product	Versions
Yifan	YF325	v1.0_20221108

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: 2023-10-11T15:14:27.879Z
• Last modified: 2025-11-04T19:16:59.515Z

09References

• talosintelligence.com — https://talosintelligence.com/vulnerability_reports/TALOS-2023-1788