Buffalo WSR-3200AX4S Management Page os command injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Buffalo WSR-3200AX4S, WSR-3200AX4B, WSR-2533DHP, WSR-2533DHP2, WSR-A2533DHP2, WSR-2533DHP3, WSR-A2533DHP3, WSR-2533DHPL, WSR-2533DHPL2, WSR-2533DHPLS and WCR-1166DS and classified as critical. This issue affects some unknown processing of the component Management Page. Executing a manipulation can lead to os command injection. This vulnerability is registered as CVE-2022-43443. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability has been found in Buffalo WSR-3200AX4S, WSR-3200AX4B, WSR-2533DHP, WSR-2533DHP2, WSR-A2533DHP2, WSR-2533DHP3, WSR-A2533DHP3, WSR-2533DHPL, WSR-2533DHPL2, WSR-2533DHPLS and WCR-1166DS and classified as critical. This vulnerability affects an unknown code of the component Management Page. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffalo network devices WSR-3200AX4S firmware Ver. 1.26 and earlier, WSR-3200AX4B firmware Ver. 1.25, WSR-2533DHP firmware Ver. 1.08 and earlier, WSR-2533DHP2 firmware Ver. 1.22 and earlier, WSR-A2533DHP2 firmware Ver. 1.22 and earlier, WSR-2533DHP3 firmware Ver. 1.26 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL firmware Ver. 1.08 and earlier, WSR-2533DHPL2 firmware Ver. 1.03 and earlier, WSR-2533DHPLS firmware Ver. 1.07 and earlier, and WCR-1166DS firmware Ver. 1.34 and earlier allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

The weakness was published 12/19/2022. The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2022-43443 since 12/05/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2022 🔍
12/19/2022 +14 days 🔍
12/19/2022 +0 days 🔍
04/18/2025 +851 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-43443 (🔍)
GCVE (CVE): GCVE-0-2022-43443
GCVE (VulDB): GCVE-100-216220

Entryinfo

Created: 12/19/2022 08:04
Updated: 04/18/2025 02:21
Changes: 12/19/2022 08:04 (38), 01/15/2023 10:56 (11), 04/18/2025 02:21 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!