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October 10, 2026

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CVE-2025-11847NVD

Vulnerability Summary

A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware versions 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.
Severity Level
MEDIUM(4.9)
Published Date
Feb 24, 2026
Last Modified
Feb 25, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.03%Probability
Root Weakness (CWE)
CWE-476: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 4.9 (MEDIUM)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Zyxel Lte3301-plus Firmware < 1.00\(abqu.9\)c0
  • Zyxel Nebula Fwa505 Firmware < 1.60\(acko.2\)v0
  • Zyxel Nebula Fwa510 Firmware < 1.60\(acgd.0\)c0
  • Zyxel Nebula Fwa515 Firmware < 1.60\(acpz.0\)v0
  • Zyxel Nebula Fwa710 Firmware < 1.60\(acgc.1\)v0
  • Zyxel Ee5301-00 Firmware < 5.63\(acld.2.1\)c0
  • Zyxel Ee3301-00 Firmware < 5.63\(acmu.2.1\)c0
  • Zyxel Dx5401-b1 Firmware < 5.17\(abyo.7.1\)c0
  • Zyxel Dx4510-b1 Firmware < 5.17\(abyl.10.1\)c0
  • Zyxel Dx4510-b0 Firmware < 5.17\(abyl.10.1\)c0
  • Zyxel Dx3301-t0 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Dx3300-t1 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Dx3300-t0 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Ee6510-10 Firmware < 5.19\(acjq.4.1\)c0
  • Zyxel Emg3525-t50b Firmware < 5.50\(abpm.9.7\)c0
  • Zyxel Nebula Lte3301-plus Firmware < 1.18\(acca.6\)v0
  • Zyxel Emg5523-t50b Firmware < 5.50\(abpm.9.7\)c0
  • Zyxel Ex2210-t0 Firmware < 5.50\(acdi.2.3\)c0
  • Zyxel Ex3300-t0 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Ex3300-t1 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Ex3301-t0 Firmware < 5.50\(abvy.7.1\)c0
  • Zyxel Ex3500-t0 Firmware < 5.44\(achr.5.1\)c0
  • Zyxel Ex3501-t0 Firmware < 5.44\(achr.5.1\)c0
  • Zyxel Ex3510-b0 Firmware < 5.17\(abup.15.2\)c0
  • Zyxel Ex3510-b1 Firmware < 5.17\(abup.15.2\)c0
  • Zyxel Ex3600-t0 Firmware < 5.70\(acif.2.1\)c0
  • Zyxel Ex5401-b1 Firmware < 5.17\(abyo.7.1\)c0
  • Zyxel Ex5510-b0 Firmware < 5.17\(abqx.11.1\)c0
  • Zyxel Ex5512-t0 Firmware < 5.70\(aceg.5.3\)c0
  • Zyxel Ex5601-t0 Firmware < 5.70\(acdz.5.1\)c0
  • Zyxel Ex5601-t1 Firmware < 5.70\(acdz.5.1\)c0
  • Zyxel Ex7501-b0 Firmware < 5.18\(achn.3.1\)c0
  • Zyxel Ex7710-b0 Firmware < 5.18\(acak.1.6\)c0
  • Zyxel Gm4100-b0 Firmware < 5.18\(accl.2\)c0
  • Zyxel Pm7500-00 Firmware < 5.61\(ackk.1.2\)c0
  • Zyxel Vmg3625-t50b Firmware < 5.50\(abpm.9.7\)c0
  • Zyxel Vmg4005-b50a Firmware < 5.17\(abqa.3.2\)c0
  • Zyxel Vmg4005-b60a Firmware < 5.17\(abqa.3.2\)c0
  • Zyxel Ax7501-b1 Firmware < 5.17\(abpc.7.1\)c0
  • Zyxel Pe3301-00 Firmware < 5.63\(acmt.2.1\)c0
  • Zyxel Pe5301-01 Firmware < 5.63\(acoj.2.1\)c0
  • Zyxel Pm3100-t0 Firmware < 5.42\(acbf.4.1\)c0
  • Zyxel Pm5100-t0 Firmware < 5.42\(acbf.4.1\)c0
  • Zyxel Pm5100-t1 Firmware < 5.42\(acbf.4.1\)c0
  • Zyxel Pm7300-t0 Firmware < 5.42\(abyy.4.1\)c0
  • Zyxel Px3321-t1 Firmware < 5.44\(achk.3\)c0
  • Zyxel Px3321-t1 Firmware < 5.44\(acjb.1.5\)c0
  • Zyxel Px5301-t0 Firmware < 5.44\(ackb.0.6\)c0
  • Zyxel Scr 50axe Firmware < 1.30\(acgn.0\)c0
  • Zyxel Vmg8623-t50b Firmware < 5.50\(abpm.9.7\)c0
  • Zyxel We3300-00 Firmware < 5.70\(acka.1.1\)c0
  • Zyxel Wx3100-t0 Firmware < 5.50\(abvl.4.9\)c0
  • Zyxel Wx3401-b1 Firmware < 5.17\(abve.2.10\)c0
  • Zyxel Wx5600-t0 Firmware < 5.70\(aceb.5.1\)c0
  • Zyxel Wx5610-b0 Firmware < 5.18\(acgj.0.5\)c0
Patched Versions
  • Zyxel Lte3301-plus Firmware 1.00\(abqu.9\)c0
  • Zyxel Nebula Fwa505 Firmware 1.60\(acko.2\)v0
  • Zyxel Nebula Fwa510 Firmware 1.60\(acgd.0\)c0
  • Zyxel Nebula Fwa515 Firmware 1.60\(acpz.0\)v0
  • Zyxel Nebula Fwa710 Firmware 1.60\(acgc.1\)v0
  • Zyxel Ee5301-00 Firmware 5.63\(acld.2.1\)c0
  • Zyxel Ee3301-00 Firmware 5.63\(acmu.2.1\)c0
  • Zyxel Dx5401-b1 Firmware 5.17\(abyo.7.1\)c0
  • Zyxel Dx4510-b1 Firmware 5.17\(abyl.10.1\)c0
  • Zyxel Dx4510-b0 Firmware 5.17\(abyl.10.1\)c0
  • Zyxel Dx3301-t0 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Dx3300-t1 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Dx3300-t0 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Ee6510-10 Firmware 5.19\(acjq.4.1\)c0
  • Zyxel Emg3525-t50b Firmware 5.50\(abpm.9.7\)c0
  • Zyxel Nebula Lte3301-plus Firmware 1.18\(acca.6\)v0
  • Zyxel Emg5523-t50b Firmware 5.50\(abpm.9.7\)c0
  • Zyxel Ex2210-t0 Firmware 5.50\(acdi.2.3\)c0
  • Zyxel Ex3300-t0 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Ex3300-t1 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Ex3301-t0 Firmware 5.50\(abvy.7.1\)c0
  • Zyxel Ex3500-t0 Firmware 5.44\(achr.5.1\)c0
  • Zyxel Ex3501-t0 Firmware 5.44\(achr.5.1\)c0
  • Zyxel Ex3510-b0 Firmware 5.17\(abup.15.2\)c0
  • Zyxel Ex3510-b1 Firmware 5.17\(abup.15.2\)c0
  • Zyxel Ex3600-t0 Firmware 5.70\(acif.2.1\)c0
  • Zyxel Ex5401-b1 Firmware 5.17\(abyo.7.1\)c0
  • Zyxel Ex5510-b0 Firmware 5.17\(abqx.11.1\)c0
  • Zyxel Ex5512-t0 Firmware 5.70\(aceg.5.3\)c0
  • Zyxel Ex5601-t0 Firmware 5.70\(acdz.5.1\)c0
  • Zyxel Ex5601-t1 Firmware 5.70\(acdz.5.1\)c0
  • Zyxel Ex7501-b0 Firmware 5.18\(achn.3.1\)c0
  • Zyxel Ex7710-b0 Firmware 5.18\(acak.1.6\)c0
  • Zyxel Gm4100-b0 Firmware 5.18\(accl.2\)c0
  • Zyxel Pm7500-00 Firmware 5.61\(ackk.1.2\)c0
  • Zyxel Vmg3625-t50b Firmware 5.50\(abpm.9.7\)c0
  • Zyxel Vmg4005-b50a Firmware 5.17\(abqa.3.2\)c0
  • Zyxel Vmg4005-b60a Firmware 5.17\(abqa.3.2\)c0
  • Zyxel Ax7501-b1 Firmware 5.17\(abpc.7.1\)c0
  • Zyxel Pe3301-00 Firmware 5.63\(acmt.2.1\)c0
  • Zyxel Pe5301-01 Firmware 5.63\(acoj.2.1\)c0
  • Zyxel Pm3100-t0 Firmware 5.42\(acbf.4.1\)c0
  • Zyxel Pm5100-t0 Firmware 5.42\(acbf.4.1\)c0
  • Zyxel Pm5100-t1 Firmware 5.42\(acbf.4.1\)c0
  • Zyxel Pm7300-t0 Firmware 5.42\(abyy.4.1\)c0
  • Zyxel Px3321-t1 Firmware 5.44\(achk.3\)c0
  • Zyxel Px3321-t1 Firmware 5.44\(acjb.1.5\)c0
  • Zyxel Px5301-t0 Firmware 5.44\(ackb.0.6\)c0
  • Zyxel Scr 50axe Firmware 1.30\(acgn.0\)c0
  • Zyxel Vmg8623-t50b Firmware 5.50\(abpm.9.7\)c0
  • Zyxel We3300-00 Firmware 5.70\(acka.1.1\)c0
  • Zyxel Wx3100-t0 Firmware 5.50\(abvl.4.9\)c0
  • Zyxel Wx3401-b1 Firmware 5.17\(abve.2.10\)c0
  • Zyxel Wx5600-t0 Firmware 5.70\(aceb.5.1\)c0
  • Zyxel Wx5610-b0 Firmware 5.18\(acgj.0.5\)c0
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References