Is CVE-2025-11847 in the CISA KEV catalog?

No. CVE-2025-11847 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-11847?

CVE-2025-11847 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2025-11847?

CVE-2025-11847 has an EPSS score of 1.70% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-11847?

Upgrade ax7501-b1 firmware to 5.17(abpc.7.1)c0 or later. Fixes are available for 54 affected products.

CVE & CISA-KEV Catalog

CVE-2025-11847

MEDIUMEPSS 74th pctl

4.9

CVSS v3

NVD

Description

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

ax7501-b1 firmwareNVD

Affected:< 5.17(abpc.7.1)c0Fixed in:5.17(abpc.7.1)c0CVE-2025-11847derived from NVD

dx3300-t0 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

dx3300-t1 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

dx3301-t0 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

dx4510-b0 firmwareNVD

Affected:< 5.17(abyl.10.1)c0Fixed in:5.17(abyl.10.1)c0CVE-2025-11847derived from NVD

dx4510-b1 firmwareNVD

Affected:< 5.17(abyl.10.1)c0Fixed in:5.17(abyl.10.1)c0CVE-2025-11847derived from NVD

dx5401-b1 firmwareNVD

Affected:< 5.17(abyo.7.1)c0Fixed in:5.17(abyo.7.1)c0CVE-2025-11847derived from NVD

ee3301-00 firmwareNVD

Affected:< 5.63(acmu.2.1)c0Fixed in:5.63(acmu.2.1)c0CVE-2025-11847derived from NVD

ee5301-00 firmwareNVD

Affected:< 5.63(acld.2.1)c0Fixed in:5.63(acld.2.1)c0CVE-2025-11847derived from NVD

ee6510-10 firmwareNVD

Affected:< 5.19(acjq.4.1)c0Fixed in:5.19(acjq.4.1)c0CVE-2025-11847derived from NVD

emg3525-t50b firmwareNVD

Affected:< 5.50(abpm.9.7)c0Fixed in:5.50(abpm.9.7)c0CVE-2025-11847derived from NVD

emg5523-t50b firmwareNVD

Affected:< 5.50(abpm.9.7)c0Fixed in:5.50(abpm.9.7)c0CVE-2025-11847derived from NVD

ex2210-t0 firmwareNVD

Affected:< 5.50(acdi.2.3)c0Fixed in:5.50(acdi.2.3)c0CVE-2025-11847derived from NVD

ex3300-t0 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

ex3300-t1 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

ex3301-t0 firmwareNVD

Affected:< 5.50(abvy.7.1)c0Fixed in:5.50(abvy.7.1)c0CVE-2025-11847derived from NVD

ex3500-t0 firmwareNVD

Affected:< 5.44(achr.5.1)c0Fixed in:5.44(achr.5.1)c0CVE-2025-11847derived from NVD

ex3501-t0 firmwareNVD

Affected:< 5.44(achr.5.1)c0Fixed in:5.44(achr.5.1)c0CVE-2025-11847derived from NVD

ex3510-b0 firmwareNVD

Affected:< 5.17(abup.15.2)c0Fixed in:5.17(abup.15.2)c0CVE-2025-11847derived from NVD

ex3510-b1 firmwareNVD

Affected:< 5.17(abup.15.2)c0Fixed in:5.17(abup.15.2)c0CVE-2025-11847derived from NVD

ex3600-t0 firmwareNVD

Affected:< 5.70(acif.2.1)c0Fixed in:5.70(acif.2.1)c0CVE-2025-11847derived from NVD

ex5401-b1 firmwareNVD

Affected:< 5.17(abyo.7.1)c0Fixed in:5.17(abyo.7.1)c0CVE-2025-11847derived from NVD

ex5510-b0 firmwareNVD

Affected:< 5.17(abqx.11.1)c0Fixed in:5.17(abqx.11.1)c0CVE-2025-11847derived from NVD

ex5512-t0 firmwareNVD

Affected:< 5.70(aceg.5.3)c0Fixed in:5.70(aceg.5.3)c0CVE-2025-11847derived from NVD

ex5601-t0 firmwareNVD

Affected:< 5.70(acdz.5.1)c0Fixed in:5.70(acdz.5.1)c0CVE-2025-11847derived from NVD

ex5601-t1 firmwareNVD

Affected:< 5.70(acdz.5.1)c0Fixed in:5.70(acdz.5.1)c0CVE-2025-11847derived from NVD

ex7501-b0 firmwareNVD

Affected:< 5.18(achn.3.1)c0Fixed in:5.18(achn.3.1)c0CVE-2025-11847derived from NVD

ex7710-b0 firmwareNVD

Affected:< 5.18(acak.1.6)c0Fixed in:5.18(acak.1.6)c0CVE-2025-11847derived from NVD

gm4100-b0 firmwareNVD

Affected:< 5.18(accl.2)c0Fixed in:5.18(accl.2)c0CVE-2025-11847derived from NVD

lte3301-plus firmwareNVD

Affected:< 1.00(abqu.9)c0Fixed in:1.00(abqu.9)c0CVE-2025-11847derived from NVD

nebula fwa505 firmwareNVD

Affected:< 1.60(acko.2)v0Fixed in:1.60(acko.2)v0CVE-2025-11847derived from NVD

nebula fwa510 firmwareNVD

Affected:< 1.60(acgd.0)c0Fixed in:1.60(acgd.0)c0CVE-2025-11847derived from NVD

nebula fwa515 firmwareNVD

Affected:< 1.60(acpz.0)v0Fixed in:1.60(acpz.0)v0CVE-2025-11847derived from NVD

nebula fwa710 firmwareNVD

Affected:< 1.60(acgc.1)v0Fixed in:1.60(acgc.1)v0CVE-2025-11847derived from NVD

nebula lte3301-plus firmwareNVD

Affected:< 1.18(acca.6)v0Fixed in:1.18(acca.6)v0CVE-2025-11847derived from NVD

pe3301-00 firmwareNVD

Affected:< 5.63(acmt.2.1)c0Fixed in:5.63(acmt.2.1)c0CVE-2025-11847derived from NVD

pe5301-01 firmwareNVD

Affected:< 5.63(acoj.2.1)c0Fixed in:5.63(acoj.2.1)c0CVE-2025-11847derived from NVD

pm3100-t0 firmwareNVD

Affected:< 5.42(acbf.4.1)c0Fixed in:5.42(acbf.4.1)c0CVE-2025-11847derived from NVD

pm5100-t0 firmwareNVD

Affected:< 5.42(acbf.4.1)c0Fixed in:5.42(acbf.4.1)c0CVE-2025-11847derived from NVD

pm5100-t1 firmwareNVD

Affected:< 5.42(acbf.4.1)c0Fixed in:5.42(acbf.4.1)c0CVE-2025-11847derived from NVD

pm7300-t0 firmwareNVD

Affected:< 5.42(abyy.4.1)c0Fixed in:5.42(abyy.4.1)c0CVE-2025-11847derived from NVD

pm7500-00 firmwareNVD

Affected:< 5.61(ackk.1.2)c0Fixed in:5.61(ackk.1.2)c0CVE-2025-11847derived from NVD

px3321-t1 firmwareNVD

Affected:< 5.44(acjb.1.5)c0Fixed in:5.44(acjb.1.5)c0CVE-2025-11847derived from NVD

px5301-t0 firmwareNVD

Affected:< 5.44(ackb.0.6)c0Fixed in:5.44(ackb.0.6)c0CVE-2025-11847derived from NVD

scr 50axe firmwareNVD

Affected:< 1.30(acgn.0)c0Fixed in:1.30(acgn.0)c0CVE-2025-11847derived from NVD

vmg3625-t50b firmwareNVD

Affected:< 5.50(abpm.9.7)c0Fixed in:5.50(abpm.9.7)c0CVE-2025-11847derived from NVD

vmg4005-b50a firmwareNVD

Affected:< 5.17(abqa.3.2)c0Fixed in:5.17(abqa.3.2)c0CVE-2025-11847derived from NVD

vmg4005-b60a firmwareNVD

Affected:< 5.17(abqa.3.2)c0Fixed in:5.17(abqa.3.2)c0CVE-2025-11847derived from NVD

vmg8623-t50b firmwareNVD

Affected:< 5.50(abpm.9.7)c0Fixed in:5.50(abpm.9.7)c0CVE-2025-11847derived from NVD

we3300-00 firmwareNVD

Affected:< 5.70(acka.1.1)c0Fixed in:5.70(acka.1.1)c0CVE-2025-11847derived from NVD

wx3100-t0 firmwareNVD

Affected:< 5.50(abvl.4.9)c0Fixed in:5.50(abvl.4.9)c0CVE-2025-11847derived from NVD

wx3401-b1 firmwareNVD

Affected:< 5.17(abve.2.10)c0Fixed in:5.17(abve.2.10)c0CVE-2025-11847derived from NVD

wx5600-t0 firmwareNVD

Affected:< 5.70(aceb.5.1)c0Fixed in:5.70(aceb.5.1)c0CVE-2025-11847derived from NVD

wx5610-b0 firmwareNVD

Affected:< 5.18(acgj.0.5)c0Fixed in:5.18(acgj.0.5)c0CVE-2025-11847derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.70%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory1

zyxel.com

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-25.