VulnerabilityModified
CVE-2020-9276
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.
HIGH 8.8EPSS 2.60%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.60% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- dlink/dsl-2640b firmware
- Source
- cve@mitre.org
References
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txtThird Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txtThird Party Advisory
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.