CVE-2021-35003: TP-Link Archer C90 DNS Response Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Fri Jan 21 2022(Updated: )

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.

Credit: zdi-disclosures@trendmicro.com

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/type
• collector/mitre-cve
• source/MITRE
• agent/author
• agent/last-modified-date
• agent/references
• agent/title
• agent/severity
• agent/weakness
• agent/first-publish-date
• agent/description
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-22-080
• alias/ZDI-CAN-14655
• alias/CVE-2021-35003
• agent/software-canonical-lookup
• collector/nvd-index
• agent/software-canonical-lookup-request
• agent/softwarecombine
• agent/tags
• agent/event
• agent/trending
• vendor/tp-link
• canonical/tp-link archer c90
• canonical/tp-link archer c90 firmware
• version/tp-link archer c90 firmware/1.0.6-build_20200114