How severe is CVE-2019-15815?

CVE-2019-15815 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-15815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15815?

CVE-2019-15815 affects Zyxel 2.00(abbx.3). See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-15815 published?

CVE-2019-15815 was published on 2019-11-12 and last updated on 2026-06-17.

CVE-2019-15815

CVE-2019-15815 is a medium-severity vulnerability in Zyxel 2.00(abbx.3) with a CVSS 3.x base score of 6.5. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Zyxel 2.00(abbx.3)
Published: 2019-11-12
Last modified: 2026-06-17

Description

ZyXEL P-1302-T10D v3 devices with firmware version 2.00(ABBX.3) and earlier do not properly enforce access control and could allow an unauthorized user to access certain pages that require admin privileges.

Frequently asked questions

What is CVE-2019-15815?: ZyXEL P-1302-T10D v3 devices with firmware version 2.00(ABBX.3) and earlier do not properly enforce access control and could allow an unauthorized user to access certain pages that require admin privileges.
How severe is CVE-2019-15815?: CVE-2019-15815 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-15815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15815?: CVE-2019-15815 affects Zyxel 2.00(abbx.3). See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15815 published?: CVE-2019-15815 was published on 2019-11-12 and last updated on 2026-06-17.

References

https://www.zyxel.com/support/P1302-T10D-v3-modem-insecure-direct-object-reference-vulnerability.shtml

Affected products (1)

cpe:2.3:o:zyxel:2.00\(abbx.3\):-:*:*:*:*:*:*:*

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