CVEvulnerability
CVE-2020-9276
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• dlink dsl-2640b firmware eu 4.01b
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt Third Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin Vendor Advisory
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt Third Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin Vendor Advisory