How severe is CVE-2007-1586?

CVE-2007-1586 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-1586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1586?

CVE-2007-1586 affects Zyxel Zynos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1586?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-1586 published?

CVE-2007-1586 was published on 2007-03-21 and last updated on 2026-06-16.

CVE-2007-1586

CVE-2007-1586 is a high-severity vulnerability in Zyxel Zynos with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zyxel Zynos
Published: 2007-03-21
Last modified: 2026-06-16

Description

ZynOS 3.40 allows remote attackers to cause a denial of service (link restart) by sending a request for the name \M via the SMB Mail Slot Protocol.

Frequently asked questions

What is CVE-2007-1586?: ZynOS 3.40 allows remote attackers to cause a denial of service (link restart) by sending a request for the name \M via the SMB Mail Slot Protocol.
How severe is CVE-2007-1586?: CVE-2007-1586 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-1586 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1586?: CVE-2007-1586 affects Zyxel Zynos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1586?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-1586 published?: CVE-2007-1586 was published on 2007-03-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:zyxel:zynos:3.40:*:*:*:*:*:*:*

More vulnerabilities in Zyxel Zynos

CVE-2008-1524 — High (CVSS 7.5): The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through…
CVE-2008-1522 — High (CVSS 7.5): ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), have (1) "user"…
CVE-2008-1527 — High (CVSS 7.5): ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through…
CVE-2008-1521 — Medium (CVSS 6.5): ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote…
CVE-2008-1523 — Medium (CVSS 5.0): ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow…
CVE-2008-1529 — Medium (CVSS 5.0): ZyXEL Prestige routers have a minimum password length for the admin account that is too small, which makes it easier…

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