Buffer overflow in Linksys E1200
CVE-2025-60690
A stack-based buffer overflow exists in the get_merge_ipaddr function of the httpd binary on Linksys E1200 v2 routers (Firmware E1200_v2.0.11.001_us.tar.gz). The function concatenates up to four user-supplied CGI parameters matching <parameter>_0~3 into a fixed-size buffer (a2) without bounds checking. Remote attackers can exploit this vulnerability via specially crafted HTTP requests to execute arbitrary code or cause denial of service without authentication.
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: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Linksys E1200 — versions 2
- Linksys E1200 Firmware — versions 2.0.11.001
Weakness classification (CWE)
References
- linksys.com (Product)
- www.linksys.com/ (Product)
- github.com/yifan20020708/SGTaint-0-day/blob/main/Linksys/Linksys-E1200/CVE-2025… (Exploit, Third Party Advisory)
- github.com/Jarrettgohxz/CVE-research/tree/main/Linksys/E1200-V2/CVE-2025-60690
Frequently asked questions
- What is CVE-2025-60690?
- CVE-2025-60690 is a high-severity vulnerability in Linksys E1200, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-11-13.
- How severe is CVE-2025-60690?
- High severity. CVSS v3 base score is 8.8 out of 10.