TP-Link TL-WR940N V6 3.19.1 Build 180119 weak hash

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in TP-Link TL-WR940N V6 3.19.1 Build 180119. Affected by this issue is some unknown functionality. This manipulation causes weak hash. The identification of this vulnerability is CVE-2023-23040. There is no exploit available.

Detailsinfo

A vulnerability has been found in TP-Link TL-WR940N V6 3.19.1 Build 180119 (Router Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a weak hash vulnerability. The CWE definition for the vulnerability is CWE-328. The product uses an algorithm that produces a digest (output value) that does not meet security expectations for a hash function that allows an adversary to reasonably determine the original input (preimage attack), find another input that can produce the same hash (2nd preimage attack), or find multiple inputs that evaluate to the same hash (birthday attack). As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was shared 02/22/2023. The advisory is shared at midist0xf.medium.com. This vulnerability is known as CVE-2023-23040 since 01/11/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27140). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak hash
CWE: CWE-328 / CWE-327 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2023 🔍
02/22/2023 +42 days 🔍
02/22/2023 +0 days 🔍
10/06/2025 +957 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: midist0xf.medium.com
Status: Not defined

CVE: CVE-2023-23040 (🔍)
GCVE (CVE): GCVE-0-2023-23040
GCVE (VulDB): GCVE-100-221629
EUVD: 🔍

Entryinfo

Created: 02/22/2023 18:46
Updated: 10/06/2025 07:59
Changes: 02/22/2023 18:46 (38), 03/24/2023 08:20 (11), 10/06/2025 07:59 (16)
Complete: 🔍
Cache ID: 216::103

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