How severe is CVE-2008-1160?

CVE-2008-1160 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2008-1160 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1160?

CVE-2008-1160 affects Zyxel Zywall 1050 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-1160?

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

When was CVE-2008-1160 published?

CVE-2008-1160 was published on 2008-03-25 and last updated on 2026-06-16.

CVE-2008-1160

CVE-2008-1160 is a critical-severity vulnerability in Zyxel Zywall 1050 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Zyxel Zywall 1050 Firmware
Published: 2008-03-25
Last modified: 2026-06-16

Description

ZyXEL ZyWALL 1050 has a hard-coded password for the Quagga and Zebra processes that is not changed when it is set by a user, which allows remote attackers to gain privileges.

Frequently asked questions

What is CVE-2008-1160?: ZyXEL ZyWALL 1050 has a hard-coded password for the Quagga and Zebra processes that is not changed when it is set by a user, which allows remote attackers to gain privileges.
How severe is CVE-2008-1160?: CVE-2008-1160 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2008-1160 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1160?: CVE-2008-1160 affects Zyxel Zywall 1050 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-1160?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-1160 published?: CVE-2008-1160 was published on 2008-03-25 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:zyxel:zywall_1050_firmware:-:*:*:*:*:*:*:*

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