Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dsl-2640B Firmware | eu_4.01b |
| Dlink | Dsl-2640B | - |
Related Weaknesses (CWE)
References
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overThird Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ExploitThird Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overThird Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ExploitThird Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
FAQ
What is CVE-2020-9276?
CVE-2020-9276 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2020-9276?
CVE-2020-9276 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9276?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dsl-2640B Firmware, Dlink Dsl-2640B.