CVE-2025-11848
4.9 · MEDIUMOverview
CVE-2025-11848 is a medium-severity vulnerability affecting zyxel ex5601-t1_firmware. It was published on February 24, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware version through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update ex5601-t1_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zyxel | ex5601-t1_firmware | >= 0, < 5.70\(acdz.5.1\)c0 | Affected |
| zyxel | ex7501-b0_firmware | >= 0, < 5.18\(achn.3.1\)c0 | Affected |
| zyxel | ex7710-b0_firmware | >= 0, < 5.18\(acak.1.6\)c0 | Affected |
| zyxel | gm4100-b0_firmware | >= 0, < 5.18\(accl.2\)c0 | Affected |
| zyxel | pm7500-00_firmware | >= 0, < 5.61\(ackk.1.2\)c0 | Affected |
| zyxel | vmg3625-t50b_firmware | >= 0, < 5.50\(abpm.9.7\)c0 | Affected |
| zyxel | vmg4005-b50a_firmware | >= 0, < 5.17\(abqa.3.2\)c0 | Affected |
| zyxel | vmg4005-b60a_firmware | >= 0, < 5.17\(abqa.3.2\)c0 | Affected |
| zyxel | ax7501-b1_firmware | >= 0, < 5.17\(abpc.7.1\)c0 | Affected |
| zyxel | pe3301-00_firmware | >= 0, < 5.63\(acmt.2.1\)c0 | Affected |
Frequently Asked Questions
What is CVE-2025-11848?
CVE-2025-11848 is a medium-severity vulnerability affecting zyxel ex5601-t1_firmware. It was published on February 24, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2025-11848?
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-11848?
Check the references section for vendor advisories and patches from zyxel. Update ex5601-t1_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-11848?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-11848 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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