CVE-2021-35003

Critical

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14655.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTp-link Archer C90 Firmware
PublishedJan 21, 2022
First seenJan 21, 2022
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tp-link archer_c90_firmware1.0.6—

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CVE-2021-35003 · Tp-link Archer C90 Firmware · Dark Radar