Buffer overflow in Dlink Dsl-2640b
CVE-2020-9276
An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. The function do_cgi(), which processes cgi requests supplied to the device's web servers, is vulnerable to a remotely exploitable stack-based buffer overflow. Unauthenticated exploitation is possible by combining this vulnerability with CVE-2020-9277.
Vulnerability class: Buffer Overflow
EPSS: 0.026 (83.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Dlink Dsl-2640b
- Dlink Dsl-2640b_firmware — versions eu_4.01b
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-9276?
- CVE-2020-9276 is a high-severity vulnerability in Dlink Dsl-2640b, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-04-20.
- How severe is CVE-2020-9276?
- High severity. CVSS v3 base score is 8.8 out of 10.