CVE-2002-0438

mediumpriority · track · 21OT risk · elevatedEPSS 0.018 · 78 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.76% (78th) EPSS

CVSS 5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

ZyXEL ZyWALL 10 before 3.50 allows remote attackers to cause a denial of service via an ARP packet with the firewall's IP address and an incorrect MAC address, which causes the firewall to disable the LAN interface.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · FSTEC (BDU) RU

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345US

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Zyxel Communications Corp. Zyxel ZLD≤ 3.50fstec_bduRU
Zyxel Communications Corp. Zyxel ZLD≤ 3.24fstec_bduRU
Zyxel Communications Corp. Zyxel ZLD≤ 3.20fstec_bduRU
zyxel zywall10= 3.20_wa0nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*
zyxel zywall10= 3.20_wa1nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*
zyxel zywall10= 3.24_wa0nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*
zyxel zywall10= 3.24_wa1nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*
zyxel zywall10= 3.24_wa2nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*
zyxel zywall10= 3.50_wa1nvdUScpe:2.3:h:zyxel:zywall10:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2002-07-26modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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