CVE-2020-35576

Tl Wr841n Firmware vulnerability

CVSS

8.8

EPSS

42.3%

EPSS pct

99th

Exploited

No known

A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.

Affected vendor

Tp Link

Affected product

Tl Wr841n Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2021-01-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 42.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2020-35576

Confirm whether Tp Link Tl Wr841n Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-35576.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-35576

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