Buffer overflow in Linksys Wrt54g
CVE-2024-8408
A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.008 (53.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Linksys Wrt54g — versions 4.21.5
- Linksys Wrt54g Firmware — versions 4.21.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Permissions Required, technical-description, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_p… (Exploit, Third Party Advisory, exploit)
- www.linksys.com/ (Product, product)
Frequently asked questions
- What is CVE-2024-8408?
- CVE-2024-8408 is a medium-severity vulnerability in Linksys Wrt54g, classified under Stack-based Buffer Overflow. CVSS score: 6.3/10. Published 2024-09-04.
- How severe is CVE-2024-8408?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2024-8408 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.