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.
Conclusion & alert: CVE-2025-11848 is rated Low Risk (22.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-21 | 0.07% | 0.03% | -0.03% |
| 2 | 2026-02-26 | 0.18% | 0.07% | -0.11% |
| 3 | 2026-02-24 | — | 0.18% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 3.1 | MEDIUM |
|
1.2 | 3.6 | [email protected] |
| 4.9 | 3.1 | MEDIUM |
|
1.2 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zyxel | ee5301-00_firmware | < 5.63\(acld.2.1\)c0 | cpe:2.3:o:zyxel:ee5301-00_firmware:*:*:*:*:*:*:*:* |
| zyxel | ee3301-00_firmware | < 5.63\(acmu.2.1\)c0 | cpe:2.3:o:zyxel:ee3301-00_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx5401-b1_firmware | < 5.17\(abyo.7.1\)c0 | cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx4510-b1_firmware | < 5.17\(abyl.10.1\)c0 | cpe:2.3:o:zyxel:dx4510-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx4510-b0_firmware | < 5.17\(abyl.10.1\)c0 | cpe:2.3:o:zyxel:dx4510-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx3301-t0_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:dx3301-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx3300-t1_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:dx3300-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | dx3300-t0_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:dx3300-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ee6510-10_firmware | < 5.19\(acjq.4.1\)c0 | cpe:2.3:o:zyxel:ee6510-10_firmware:*:*:*:*:*:*:*:* |
| zyxel | emg3525-t50b_firmware | < 5.50\(abpm.9.7\)c0 | cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:* |
| zyxel | emg5523-t50b_firmware | < 5.50\(abpm.9.7\)c0 | cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex2210-t0_firmware | < 5.50\(acdi.2.3\)c0 | cpe:2.3:o:zyxel:ex2210-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3300-t0_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:ex3300-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3300-t1_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:ex3300-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3301-t0_firmware | < 5.50\(abvy.7.1\)c0 | cpe:2.3:o:zyxel:ex3301-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3500-t0_firmware | < 5.44\(achr.5.1\)c0 | cpe:2.3:o:zyxel:ex3500-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3501-t0_firmware | < 5.44\(achr.5.1\)c0 | cpe:2.3:o:zyxel:ex3501-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3510-b0_firmware | < 5.17\(abup.15.2\)c0 | cpe:2.3:o:zyxel:ex3510-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3510-b1_firmware | < 5.17\(abup.15.2\)c0 | cpe:2.3:o:zyxel:ex3510-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex3600-t0_firmware | < 5.70\(acif.2.1\)c0 | cpe:2.3:o:zyxel:ex3600-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex5401-b1_firmware | < 5.17\(abyo.7.1\)c0 | cpe:2.3:o:zyxel:ex5401-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex5510-b0_firmware | < 5.17\(abqx.11.1\)c0 | cpe:2.3:o:zyxel:ex5510-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex5512-t0_firmware | < 5.70\(aceg.5.3\)c0 | cpe:2.3:o:zyxel:ex5512-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex5601-t0_firmware | < 5.70\(acdz.5.1\)c0 | cpe:2.3:o:zyxel:ex5601-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex5601-t1_firmware | < 5.70\(acdz.5.1\)c0 | cpe:2.3:o:zyxel:ex5601-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex7501-b0_firmware | < 5.18\(achn.3.1\)c0 | cpe:2.3:o:zyxel:ex7501-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | ex7710-b0_firmware | < 5.18\(acak.1.6\)c0 | cpe:2.3:o:zyxel:ex7710-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | gm4100-b0_firmware | < 5.18\(accl.2\)c0 | cpe:2.3:o:zyxel:gm4100-b0_firmware:*:*:*:*:*:*:*:* |
| zyxel | pm7500-00_firmware | < 5.61\(ackk.1.2\)c0 | cpe:2.3:o:zyxel:pm7500-00_firmware:*:*:*:*:*:*:*:* |
| zyxel | vmg3625-t50b_firmware | < 5.50\(abpm.9.7\)c0 | cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:* |
| zyxel | vmg4005-b50a_firmware | < 5.17\(abqa.3.2\)c0 | cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:* |
| zyxel | vmg4005-b60a_firmware | < 5.17\(abqa.3.2\)c0 | cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:* |
| zyxel | ax7501-b1_firmware | < 5.17\(abpc.7.1\)c0 | cpe:2.3:o:zyxel:ax7501-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | pe3301-00_firmware | < 5.63\(acmt.2.1\)c0 | cpe:2.3:o:zyxel:pe3301-00_firmware:*:*:*:*:*:*:*:* |
| zyxel | pe5301-01_firmware | < 5.63\(acoj.2.1\)c0 | cpe:2.3:o:zyxel:pe5301-01_firmware:*:*:*:*:*:*:*:* |
| zyxel | pm3100-t0_firmware | < 5.42\(acbf.4.1\)c0 | cpe:2.3:o:zyxel:pm3100-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | pm5100-t0_firmware | < 5.42\(acbf.4.1\)c0 | cpe:2.3:o:zyxel:pm5100-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | pm5100-t1_firmware | < 5.42\(acbf.4.1\)c0 | cpe:2.3:o:zyxel:pm5100-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | pm7300-t0_firmware | < 5.42\(abyy.4.1\)c0 | cpe:2.3:o:zyxel:pm7300-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | px3321-t1_firmware | < 5.44\(achk.3\)c0 | cpe:2.3:o:zyxel:px3321-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | px3321-t1_firmware | < 5.44\(acjb.1.5\)c0 | cpe:2.3:o:zyxel:px3321-t1_firmware:*:*:*:*:*:*:*:* |
| zyxel | px5301-t0_firmware | < 5.44\(ackb.0.6\)c0 | cpe:2.3:o:zyxel:px5301-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | scr_50axe_firmware | < 1.30\(acgn.0\)c0 | cpe:2.3:o:zyxel:scr_50axe_firmware:*:*:*:*:*:*:*:* |
| zyxel | vmg8623-t50b_firmware | < 5.50\(abpm.9.7\)c0 | cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:* |
| zyxel | we3300-00_firmware | < 5.70\(acka.1.1\)c0 | cpe:2.3:o:zyxel:we3300-00_firmware:*:*:*:*:*:*:*:* |
| zyxel | wx3100-t0_firmware | < 5.50\(abvl.4.9\)c0 | cpe:2.3:o:zyxel:wx3100-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | wx3401-b1_firmware | < 5.17\(abve.2.10\)c0 | cpe:2.3:o:zyxel:wx3401-b1_firmware:*:*:*:*:*:*:*:* |
| zyxel | wx5600-t0_firmware | < 5.70\(aceb.5.1\)c0 | cpe:2.3:o:zyxel:wx5600-t0_firmware:*:*:*:*:*:*:*:* |
| zyxel | wx5610-b0_firmware | < 5.18\(acgj.0.5\)c0 | cpe:2.3:o:zyxel:wx5610-b0_firmware:*:*:*:*:*:*:*:* |