CVE-2023-23040 json
TP-Link router TL-WR940N V6 3.19.1 Build 180119 uses a deprecated MD5 algorithm to hash the admin password used for basic authentication.
published 2023-02-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27140
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
TP-Link router TL-WR940N V6 3.19.1 Build 180119 uses a deprecated MD5 algorithm to hash the admin password used for basic authentication.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Classification
- Weakness
-
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
References
-
midist0xf.medium.com
/tl-wr940n-uses-weak-md5-hashing-algorithm-ae7b589860d2
patch, third-party-advisory
-
tp-link.com
/en/support/download/tl-wr940n/#Firmware
product
Sources
- CVE List CVE-2023-23040
- NVD CVE-2023-23040
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.