How severe is CVE-2023-34346?

CVE-2023-34346 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34346?

CVE-2023-34346 affects Yifanwireless Yf325 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34346?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-34346 published?

CVE-2023-34346 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-34346

CVE-2023-34346 is a critical-severity vulnerability in Yifanwireless Yf325 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Yifanwireless Yf325 Firmware
Published: 2023-10-11
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-34346?: A stack-based buffer overflow vulnerability exists in the httpd gwcfg.cgi get functionality of Yifan YF325 v1.0_20221108. A specially crafted network packet can lead to command execution. An attacker can send a network request to trigger this vulnerability.
How severe is CVE-2023-34346?: CVE-2023-34346 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34346?: CVE-2023-34346 affects Yifanwireless Yf325 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-34346 published?: CVE-2023-34346 was published on 2023-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:yifanwireless:yf325_firmware:1.0_20221108:*:*:*:*:*:*:*

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