Vulnerability Details : 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 category: OverflowMemory Corruption
Products affected by CVE-2020-9276
- cpe:2.3:o:dlink:dsl-2640b_firmware:eu_4.01b:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-9276
0.59%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-9276
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-9276
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-9276
-
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
Security Advisories: D-Link DSL-2640B –Exploit;Third Party Advisory
-
https://www.dlink.com/en/security-bulletin
Security Bulletin | D-LinkVendor Advisory
-
https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt
Third Party Advisory
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