Actiontec develops a focused line of wireless networking and connectivity devices for residential and small-business deployments, with its vulnerability footprint centered on firmware components across products such as the WCB6200Q and WEB6000Q wireless bridges. The recurring exposure centers on buffer-handling and input-validation weaknesses—including classic buffer overflows, stack-based overflows, out-of-bounds writes, and cross-site scripting flaws—that are characteristic of embedded firmware codebases, and the vulnerabilities affecting this vendor skew toward serious outcomes. Defenders should prioritize firmware updates for these devices, particularly those exposed on management interfaces; current severity and exploitation activity are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Actiontec over time
Signals from CVEs in this vendor scope (14 CVEs).
14 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2018-15555CRITICAL On Telus Actiontec WEB6000Q v1.1.02.22 devices, an attacker can login with root level access with the user "root" and password "admin" by using the enabled onboard UART headers. | Jun 28, 2019 | 9.8 | 31 | NO | NO |
CVE-2024-6146HIGH Actiontec WCB6200Q uh_get_postdata_withupload Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbit | Jun 19, 2024 | 8.8 | 29 | NO | NO |
CVE-2018-15556CRITICAL The Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 allows login with root level access with the user "root" and an empty password by using the enabled onboard UAR | Jun 27, 2019 | 9.8 | 29 | NO | NO |
CVE-2018-15557HIGH An issue was discovered in the Quantenna WiFi Controller on Telus Actiontec WEB6000Q v1.1.02.22 devices. An attacker can statically set his/her IP to anything on the 169.254.1.0/24 | Jun 27, 2019 | 8.8 | 27 | NO | NO |
CVE-2024-6145HIGH Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installation | Jun 19, 2024 | 8.8 | 24 | NO | NO |
CVE-2024-6144HIGH Actiontec WCB6200Q Multipart Boundary Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary cod | Jun 19, 2024 | 8.8 | 24 | NO | NO |
CVE-2024-6143HIGH Actiontec WCB6200Q uh_tcp_recv_header Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affecte | Jun 19, 2024 | 8.8 | 24 | NO | NO |
CVE-2024-6142HIGH Actiontec WCB6200Q uh_tcp_recv_content Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affect | Jun 19, 2024 | 8.8 | 24 | NO | NO |
CVE-2018-10252HIGH An issue was discovered on Actiontec WCB6200Q before 1.1.10.20a devices. The admin login session cookie is insecurely generated making admin session hijacking possible. When an adm | May 14, 2018 | 8.1 | 24 | NO | NO |
CVE-2019-12789MEDIUM An issue was discovered on Actiontec T2200H T2200H-31.128L.08 devices, as distributed by Telus. By attaching a UART adapter to the UART pins on the system board, an attacker can us | Jun 17, 2019 | 6.8 | 23 | NO | NO |
Signals from CVEs in this vendor scope (14 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Actiontec.
Media articles that mention a CVE ID that affects a product developed by Actiontec — matched by CVE ID, not by vendor name.