VDB-270300 · CVE-2024-32937 · TALOS-2024-1978

Grandstream GXP2135 1.0.9.129/1.0.11.74/1.0.11.79 CWMP SelfDefinedTimeZone 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.
8.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Grandstream GXP2135 1.0.9.129/1.0.11.74/1.0.11.79. This affects the function SelfDefinedTimeZone of the component CWMP Handler. The manipulation results in os command injection. This vulnerability is known as CVE-2024-32937. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Grandstream GXP2135 1.0.9.129/1.0.11.74/1.0.11.79. Affected is the function SelfDefinedTimeZone of the component CWMP Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An os command injection vulnerability exists in the CWMP SelfDefinedTimeZone functionality of Grandstream GXP2135 1.0.9.129, 1.0.11.74 and 1.0.11.79. A specially crafted network packet can lead to arbitrary command execution. An attacker can send a sequence of malicious packets to trigger this vulnerability.

The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2024-32937 since 04/19/2024. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2025). 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

Grandstream

Name

GXP2135

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.1
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/19/2024 🔍
07/03/2024 +75 days 🔍
07/03/2024 +0 days 🔍
09/04/2025 +428 days 🔍

Sourcesinfo

Advisory: TALOS-2024-1978
Status: Not defined

CVE: CVE-2024-32937 (🔍)
GCVE (CVE): GCVE-0-2024-32937
GCVE (VulDB): GCVE-100-270300

Entryinfo

Created: 07/03/2024 17:26
Updated: 09/04/2025 21:34
Changes: 07/03/2024 17:26 (64), 07/06/2024 05:57 (2), 09/04/2025 21:34 (11)
Complete: 🔍
Cache ID: 216::103