Buffer overflow in Dlink Dir-2640-Us
CVE-2021-34202
There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.036 (88.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Dlink Dir-2640-us
- Dlink Dir-2640-us_firmware — versions 1.01b04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, x_refsource_MISC, Broken Link)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-34202?
- CVE-2021-34202 is a high-severity vulnerability in Dlink Dir-2640-Us, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-06-16.
- How severe is CVE-2021-34202?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-34202 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.