What’s Vulnerable › Vulnerabilities

CVE-2021-34202

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-16 · updated 2026-07-09
• Weakness: CWE-787

Description

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.

Affected products

• Quagga Services on D-Link DIR-2640 Routers: 1.01b04

References

• https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
• https://www.dlink.com/en/security-bulletin/
• https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
• https://www.dlink.com/en/security-bulletin/

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