SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-42232

TP-Link Archer A7 Archer A7(US)_V5_210519 is affected by a command injection vulnerability in /usr/bin/tddp.

CRITICAL 9.8EPSS 4.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

TP-Link Archer A7 Archer A7(US)_V5_210519 is affected by a command injection vulnerability in /usr/bin/tddp. The vulnerability is caused by the program taking part of the received data packet as part of the command. This will cause an attacker to execute arbitrary commands on the router.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.26% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
tp-link/archer a7 firmware
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.