CVE-2020-10881

State: Published
Severity: 9.8 Critical
Published: Mar 25, 2020
Updated: Aug 4, 2024
Reserved: Mar 24, 2020

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 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 the root user. Was ZDI-CAN-9660.

Scores

CVSS	Score	Vector	Source
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	zdi

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
Archer A7TP-Link	Firmware Ver: 190726Affected

References

https://www.zerodayinitiative.com/advisories/ZDI-20-333/

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