Cyber Resilience

CVE-2023-34426

Critical

Published: 11 October 2023

Published
11 October 2023
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0032 55.2th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-34426 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Yifanwireless Yf325 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 44.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A stack-based buffer overflow vulnerability exists in the httpd manage_request functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to stack-based buffer overflow. An attacker can send a network request to trigger this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

yifanwireless
yf325 firmware
1.0_20221108

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References