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CVE-2026-0834

Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13

Published: Jan 21, 2026Updated: Apr 28, 2026 Sources: CVE List NVD BDU csafCWE-290
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.4%
Top 68.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Multiple TP-Link products (TP-Link Archer C20 V5, Archer C20 6.0, Archer AX53 v1.0 and TL-WR841N v13) are affected by multiple vulnerabilities. The most severe of these vulnerabilities could allow an adjacent, unauthenticated attacker to execute administrative commands.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-290

Affected Products

Archer C20 v6.0, Archer AX53 v1.0TP-Link Systems Inc.Networking Infrastructure
Archer C20 V5TP-Link Systems Inc.Networking Infrastructure
TL-WR841N v13TP Link Systems Inc.
Embedded
Networking Infrastructure / router-switch
archer ax53 firmwaretp-linkNetworking Infrastructure
archer c20 firmwaretp-linkNetworking Infrastructure
tp-link systems inc.commercialCNNetworking Infrastructureaka tp-link
tp link systems inc.commercialCNNetworking Infrastructureaka tp-link, tplink
tp-linkcommercialTWNetworking Infrastructureaka tp-link, tp link
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-119-02.json
raw.githubusercontent.com
https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
tp-link.com
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
tp-link.com
and 10 more references View all →

Timeline

Published
Jan 21, 2026
Last Updated
Apr 28, 2026

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