CVE-2024-40495
CVE-2024-40495 is a high-severity vulnerability in Linksys E2500 Firmware with a CVSS 3.x base score of 8.0. 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-94.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-38482
- Weakness: CWE-94
- Affected product: Linksys E2500 Firmware
- Published:
- Last modified:
Description
A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.
Frequently asked questions
- What is CVE-2024-40495?
- A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.
- How severe is CVE-2024-40495?
- CVE-2024-40495 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-40495 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-40495?
- CVE-2024-40495 affects Linksys E2500 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-40495?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-40495 have an EU (EUVD) identifier?
- Yes. CVE-2024-40495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38482.
- When was CVE-2024-40495 published?
- CVE-2024-40495 was published on 2024-07-24 and last updated on 2026-07-09.
References
EU advisories (EUVD)
Affected products (1)
- cpe:2.3:o:linksys:e2500_firmware:2.0.00:*:*:*:*:*:*:*
More vulnerabilities in Linksys E2500 Firmware
- CVE-2025-44654 — Critical (CVSS 9.8): In Linksys E2500 3.0.04.002, the chroot_local_user option is enabled in the vsftpd configuration file. This could lead…
- CVE-2018-3955 — High (CVSS 7.2): An exploitable operating system command injection exists in the Linksys ESeries line of routers (Linksys E1200 Firmware…
- CVE-2018-3954 — High (CVSS 7.2): Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware…
- CVE-2018-3953 — High (CVSS 7.2): Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware…
All CVEs affecting Linksys E2500 Firmware →
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