CVE-2020-9276

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory dlink.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.dlink.com/en/security-bulletin vendor advisory
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ third party advisory exploit
https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-9276?
CVE-2020-9276 has been scored as a high severity vulnerability.
How to fix CVE-2020-9276?
To fix CVE-2020-9276, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9276 being actively exploited in the wild?
It is possible that CVE-2020-9276 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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