CVE-2021-27245

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Summary

CVECVE-2021-27245
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-29 21:15:00 UTC
Updated2021-04-01 18:46:00 UTC
DescriptionThis vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-12309.

Risk And Classification

Problem Types: CWE-693

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Tp-link Archer A7 - All All All
Operating System Tp-link Archer A7 Firmware All All All All

References

ReferenceSourceLinkTags
ZDI-21-214 | Zero Day Initiative N/A www.zerodayinitiative.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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