VDB-312492 · CVE-2025-45986 · EUVD-2025-18263

Blink BL-X26_DA3 bs_SetMacBlack mac 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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Blink BL-WR9000, BL-AC2100_AZ3, BL-X10_AC8, BL-LTE300, BL-F1200_AT1, BL-X26_AC8, BLAC450M_AE4 and BL-X26_DA3. This issue affects the function bs_SetMacBlack. The manipulation of the argument mac results in command injection. This vulnerability is reported as CVE-2025-45986. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Blink BL-WR9000, BL-AC2100_AZ3, BL-X10_AC8, BL-LTE300, BL-F1200_AT1, BL-X26_AC8, BLAC450M_AE4 and BL-X26_DA3. Affected is the function bs_SetMacBlack. The manipulation of the argument mac with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300 v1.2.3, BL-F1200_AT1 v1.0.0, BL-X26_AC8 v1.2.8, BLAC450M_AE4 v4.0.0 and BL-X26_DA3 v1.2.7 werediscovered to contain a command injection vulnerability via the mac parameter in the bs_SetMacBlack function.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-45986 since 04/22/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. 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 06/13/2025). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18263). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Blink

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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

04/22/2025 CVE reserved
06/13/2025 +52 days Advisory disclosed
06/13/2025 +0 days VulDB entry created
06/13/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-45986 (🔒)
GCVE (CVE): GCVE-0-2025-45986
GCVE (VulDB): GCVE-100-312492
EUVD: 🔒

Entryinfo

Created: 06/13/2025 15:27
Updated: 06/13/2025 18:07
Changes: 06/13/2025 15:27 (53), 06/13/2025 15:43 (1), 06/13/2025 18:07 (1)
Complete: 🔍
Cache ID: 216::103