TP-Link
CVE-2026-0834
HIGH
Severity by source
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionCVE.org
Logic vulnerability in TP-Link Archer C20 v6.0 and Archer AX53 v1.0 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability.This issue affects Archer C20 v6.0 < V6_251031.
Archer AX53 v1.0 <
V1_251215
AnalysisAI
Unauthenticated adjacent network attackers can exploit a logic vulnerability in the TDDP module of TP-Link Archer C20 v6.0 and Archer AX53 v1.0 to execute administrative commands such as factory reset and device reboot without credentials. This allows attackers to cause loss of device configuration and service disruption on vulnerable routers. No patch is currently available for this high-severity vulnerability affecting both router models.
Technical ContextAI
Classified as CWE-290 (Authentication Bypass by Spoofing). Affects Archer Ax53 Firmware. Logic vulnerability in TP-Link Archer C20 v6.0 and Archer AX53 v1.0 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability.This issue affects Archer C20 v6.0 < V6_251031.
Archer AX53 v1.0 <
V1_251215
RemediationAI
Monitor vendor advisories for a patch.
Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317, C7 (2.0) with firmware before
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Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13
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TP-Link Archer C7 and TL-WR841N routers contain an authenticated remote command execution vulnerability in the Parental
A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized indi
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Same weakness CWE-290 – Authentication Bypass by Spoofing
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today