CVE-2026-5363

Published Apr 16, 2026

Last updated a month ago

Overview

Description
Inadequate Encryption Strength vulnerability in TP-Link Archer C7 v5 and v5.8 (uhttpd modules) allows Password Recovery Exploitation. The web interface encrypts the admin password client-side using RSA-1024 before sending it to the router during login.  An adjacent attacker with the ability to intercept network traffic could potentially perform a brute-force or factorization attack against the 1024-bit RSA key to recover the plaintext administrator password, leading to unauthorized access and compromise of the device configuration.  This issue affects Archer C7: through Build 20220715.
Source
f23511db-6c3e-4e32-a477-6aa17d310630
NVD status
Analyzed
CNA Tags
unsupported-when-assigned
Products
archer_c7_firmware

Risk scores

CVSS 4.0

Type
Secondary
Base score
5.4
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
Severity
MEDIUM

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

f23511db-6c3e-4e32-a477-6aa17d310630
CWE-326

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.