VulnerabilityModified
CVE-2021-34201
D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow.
HIGH 7.1EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- dlink/dir-2640-us firmware
- Source
- cve@mitre.org
References
- https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.