How severe is CVE-2023-24479?

CVE-2023-24479 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-2023-24479 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24479?

CVE-2023-24479 affects Yifanwireless Yf325 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24479?

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-2023-24479 published?

CVE-2023-24479 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-24479

CVE-2023-24479 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Yifanwireless Yf325 Firmware
Published: 2023-10-11
Last modified: 2026-06-17

Description

An authentication bypass vulnerability exists in the httpd nvram.cgi functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to arbitrary command execution. An attacker can send a network request to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-24479?: An authentication bypass vulnerability exists in the httpd nvram.cgi functionality of Yifan YF325 v1.0_20221108. A specially crafted network request can lead to arbitrary command execution. An attacker can send a network request to trigger this vulnerability.
How severe is CVE-2023-24479?: CVE-2023-24479 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-2023-24479 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24479?: CVE-2023-24479 affects Yifanwireless Yf325 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24479?: 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-2023-24479 published?: CVE-2023-24479 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:*:*:*:*:*:*:*

More vulnerabilities in Yifanwireless Yf325 Firmware

CVE-2023-35968 — Critical (CVSS 9.8): Two heap-based buffer overflow vulnerabilities exist in the gwcfg_cgi_set_manage_post_data functionality of Yifan YF325…
CVE-2023-35967 — Critical (CVSS 9.8): Two heap-based buffer overflow vulnerabilities exist in the gwcfg_cgi_set_manage_post_data functionality of Yifan YF325…
CVE-2023-35966 — Critical (CVSS 9.8): Two heap-based buffer overflow vulnerabilities exist in the httpd manage_post functionality of Yifan YF325…
CVE-2023-35965 — Critical (CVSS 9.8): Two heap-based buffer overflow vulnerabilities exist in the httpd manage_post functionality of Yifan YF325…
CVE-2023-34426 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability exists in the httpd manage_request functionality of Yifan YF325…
CVE-2023-34365 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability exists in the libutils.so nvram_restore functionality of Yifan YF325…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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