Is CVE-2025-11848 actively exploited?

CVE-2025-11848 has no public evidence of in-the-wild exploitation as of 2026-02-25.

What is the CVSS score for CVE-2025-11848?

CVE-2025-11848 has a CVSS score of 4.9 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2025-11848?

Patch guidance is available from zyxel security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-11848.

CVE-2025-11848 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-11848?

49 products: zyxel ee5301-00 firmware, zyxel ee3301-00 firmware, zyxel dx5401-b1 firmware, zyxel dx4510-b1 firmware, zyxel dx4510-b0 firmware, and 44 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: ZYXEL
Published: 2/24/2026
Last Modified: 2/25/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

zyxel : ee5301-00_firmwarezyxel : ee3301-00_firmwarezyxel : dx5401-b1_firmwarezyxel : dx4510-b1_firmwarezyxel : dx4510-b0_firmwarezyxel : dx3301-t0_firmwarezyxel : dx3300-t1_firmwarezyxel : dx3300-t0_firmwarezyxel : ee6510-10_firmwarezyxel : emg3525-t50b_firmwarezyxel : emg5523-t50b_firmwarezyxel : ex2210-t0_firmwarezyxel : ex3300-t0_firmwarezyxel : ex3300-t1_firmwarezyxel : ex3301-t0_firmwarezyxel : ex3500-t0_firmwarezyxel : ex3501-t0_firmwarezyxel : ex3510-b0_firmwarezyxel : ex3510-b1_firmwarezyxel : ex3600-t0_firmwarezyxel : ex5401-b1_firmwarezyxel : ex5510-b0_firmwarezyxel : ex5512-t0_firmwarezyxel : ex5601-t0_firmwarezyxel : ex5601-t1_firmwarezyxel : ex7501-b0_firmwarezyxel : ex7710-b0_firmwarezyxel : gm4100-b0_firmwarezyxel : pm7500-00_firmwarezyxel : vmg3625-t50b_firmwarezyxel : vmg4005-b50a_firmwarezyxel : vmg4005-b60a_firmwarezyxel : ax7501-b1_firmwarezyxel : pe3301-00_firmwarezyxel : pe5301-01_firmwarezyxel : pm3100-t0_firmwarezyxel : pm5100-t0_firmwarezyxel : pm5100-t1_firmwarezyxel : pm7300-t0_firmwarezyxel : px3321-t1_firmwarezyxel : px3321-t1_firmwarezyxel : px5301-t0_firmwarezyxel : scr_50axe_firmwarezyxel : vmg8623-t50b_firmwarezyxel : we3300-00_firmwarezyxel : wx3100-t0_firmwarezyxel : wx3401-b1_firmwarezyxel : wx5600-t0_firmwarezyxel : wx5610-b0_firmware

Remediation Guidance

Executive Summary

View on NIST NVD