{"id":53644,"date":"2025-06-19T13:43:44","date_gmt":"2025-06-19T13:43:44","guid":{"rendered":""},"modified":"2025-08-31T11:36:09","modified_gmt":"2025-08-31T17:36:09","slug":"cve-2025-45988-command-injection-vulnerabilities-in-blink-routers","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-45988-command-injection-vulnerabilities-in-blink-routers\/","title":{"rendered":"CVE-2025-45988: Command Injection Vulnerabilities in Blink Routers<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The cybersecurity landscape is always fraught with threats, some more severe than others. In this post, we’ll delve into a critical vulnerability that affects multiple versions of Blink routers. The vulnerability, identified as CVE-2025-45988, presents a significant risk due to the potential for system<\/a> compromise or data leakage. It is a command injection vulnerability, which is a type of security vulnerability that allows an attacker to execute arbitrary<\/a> commands on a host system. With a CVSS Severity Score of 9.8, this issue is of serious concern and demands immediate attention.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-45988
\nSeverity: Critical (CVSS: 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

BL-WR9000 | V2.4.9
\nBL-AC2100_AZ3 | V1.0.4
\nBL-X10_AC8 | v1.0.5
\nBL-LTE300 | v1.2.3
\nBL-F1200_AT1 | v1.0.0
\nBL-X26_AC8 | v1.2.8
\nBLAC450M_AE4 | v4.0.0
\nBL-X26_DA3 | v1.2.7<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability is a result of poor input validation<\/a> within the bs_SetCmd function. This function, which is designed to handle command parameters<\/a>, fails to properly sanitize the ‘cmd’ input. An attacker can exploit<\/a> this vulnerability by sending a specially crafted request containing malicious commands. Once the command is processed by the bs_SetCmd function, the injected commands are executed<\/a> with the privileges of the application.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how an attacker might exploit the vulnerability. The attacker sends a POST request to the vulnerable endpoint on the router<\/a> with a malicious payload that contains the injected commands:<\/p>\n

POST \/bs_SetCmd HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"cmd\": \"; injected_command_here ;\" }<\/code><\/pre>\n
The router\u2019s bs_SetCmd function fails to validate and sanitize the POST request, leading to the execution of the injected<\/a> command. The severity of this vulnerability can’t be overstated, as it grants an attacker the ability to run any command on the system with the privileges of the application, leading to a potential system<\/a> compromise or data leakage.<\/p>\n
Mitigation<\/strong><\/p>\n
The most effective mitigation for this vulnerability<\/a> is to apply the vendor-provided patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These tools can help to detect and block malicious requests that attempt to exploit this vulnerability<\/a>. However, these are only temporary measures and cannot substitute for applying the vendor patch.
\nAs a best practice, always apply the latest security patches and updates to all your systems and devices<\/a>. Regular patching is one of the most effective ways to protect your systems from known vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is always fraught with threats, some more severe than others. In this post, we’ll delve into a critical vulnerability that affects multiple versions of Blink routers. The vulnerability, identified as CVE-2025-45988, presents a significant risk due to the potential for system compromise or data leakage. It is a command injection vulnerability, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53644","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t