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UNIX Symbolic Link (Symlink) Following in TP-Link Archer...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

UNIX Symbolic Link (Symlink) Following in TP-Link Archer C9(US)_V1_180125 firmware allows an unauthenticated actor, with physical access and network access, to read sensitive files and write to a limited set of files after plugging a crafted USB drive into the router.

References

Published by the National Vulnerability Database Nov 21, 2020
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 29, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(42nd percentile)

Weaknesses

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Learn more on MITRE.

CVE ID

CVE-2020-5797

GHSA ID

GHSA-6qx3-hcm8-xh2m

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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