How severe is CVE-2018-10578?

CVE-2018-10578 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-2018-10578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10578?

CVE-2018-10578 primarily affects Watchguard Ap200 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-10578?

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-2018-10578 published?

CVE-2018-10578 was published on 2018-05-02 and last updated on 2026-06-17.

CVE-2018-10578

CVE-2018-10578 is a critical-severity vulnerability in Watchguard Ap200 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Watchguard Ap200 Firmware
Published: 2018-05-02
Last modified: 2026-06-17

Description

An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15, and AP300 devices with firmware before 2.0.0.10. Incorrect validation of the "old password" field in the change password form allows an attacker to bypass validation of this field.

Frequently asked questions

What is CVE-2018-10578?: An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15, and AP300 devices with firmware before 2.0.0.10. Incorrect validation of the "old password" field in the change password form allows an attacker to bypass validation of this field.
How severe is CVE-2018-10578?: CVE-2018-10578 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-2018-10578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10578?: CVE-2018-10578 primarily affects Watchguard Ap200 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-10578?: 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-2018-10578 published?: CVE-2018-10578 was published on 2018-05-02 and last updated on 2026-06-17.

References

http://seclists.org/fulldisclosure/2018/May/12

Affected products (4)

cpe:2.3:o:watchguard:ap200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:ap102_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:ap100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:ap300_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Watchguard Ap200 Firmware

CVE-2018-10575 — Critical (CVSS 9.8): An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15. Hardcoded…
CVE-2018-10577 — High (CVSS 8.8): An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15, and AP300 devices…
CVE-2018-10576 — High (CVSS 7.8): An issue was discovered on WatchGuard AP100, AP102, and AP200 devices with firmware before 1.2.9.15. Improper…

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