5.2

CVE-2026-12001: tp link systems inc. tl-wr845n v4 Use of Hard-coded Credentials

CVSS: 5.2v4.0MediumDeferred
Published 27-07-2026Last modified 11-08-2026
Open JSON

Vulnerability summary

CVE-2026-12001 is a medium (CVSS 5.2) Use of Hard-coded Credentials vulnerability in tp link systems inc. tl-wr845n v4. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.5% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.2/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.34%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-07-2026
    PublishedVulnerability first disclosed.
  2. 11-08-2026
    Last modifiedVulnerability information updated.

Description

A hardcoded credential vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C20 v6 & Archer MR200 v5).  Authentication-related credential material is embedded within a password file in the firmware image and may be recovered through firmware analysis. Successful exploitation could result in unauthorized access to privileged functions on affected devices.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.09 pp

From 0.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tp-link systems inc.3 products
Tp link systems inc.2 products

2 vendors · 5 products

References

11 links
Show all 11 references