HIGHCVSS v3.1 8.8Actively exploited · CISA KEV since 2023-05-01Vulnerability

CVE-2023-1389

TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.

Properties

Euvd product
TP-Link Archer AX21 (AX1800)
Vulnerability name
TP-Link Archer AX-21 Command Injection Vulnerability
First seen
2025-10-21T23:15:23+00:00
Cvss score
8.8
Epss score
0.99999
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-05-22
Euvd assigner
tenable
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-05-01T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-05-01
Score
8.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.8
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Related Entities (17)

MENTIONED_IN (11)

→[Campaign]Unnamed campaign (ID 697a…)
→[Campaign]ClingSTUN Turns Vulnerable Edge Devices Into Attacker Infrastructure
→[Campaign]ClingSTUN Linux Backdoor Abuses Public STUN Infrastructure
→[Campaign]Lunex Uses BYOVD to Disable Security Monitoring and Deploy Persistent Stealer
→[Campaign]Multi-Functional Linux Botnet "Evooo1Bot"
→[Campaign]NightLedger Backdoor Deployed in Espionage Campaign Targeting the Middle East and Africa
→[Campaign]ClickFix-Themed Campaign Deploys Starland RAT and WLDR Framework
→[Campaign]Inside an IoT Botnet Framework With LLM-Assisted Development
→[Campaign]Weekly Threat Bulletin – January 28th, 2026
→[Campaign]Unnamed campaign (ID 696b…)
→[Campaign]Analyzing React2Shell Threat Actors

AFFECTS_PRODUCT (2)

→[Product]cpe:2.3:h:tp-link:archer_ax21:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:tp-link:archer_ax21_firmware:*:*:*:*:*:*:*:*

INVOLVES (2)

←[EmergentSignal]velocity_anomaly
←[Signal]kev_added · 2023-05-01

DESCRIBES (1)

←[KEVEntry]TP-Link Archer AX-21 Command Injection Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Special Elements used in a Command ('Command Injection')

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CVE-2023-1389 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal