Buffer overflow in Actiontec Wcb6200q
CVE-2024-6144
Actiontec WCB6200Q Multipart Boundary Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Actiontec WCB6200Q routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP server. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21416.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Actiontec Wcb6200q — versions 1.2L.03.5
- Actiontec Wcb6200q Firmware — versions 1.2l.03.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-24-807/ (x_research-advisory, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-6144?
- CVE-2024-6144 is a high-severity vulnerability in Actiontec Wcb6200q, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-06-19.
- How severe is CVE-2024-6144?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-6144 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.