How severe is CVE-2019-13529?

CVE-2019-13529 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13529?

CVE-2019-13529 affects Sma Sunny Webbox Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13529?

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-2019-13529 published?

CVE-2019-13529 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-13529

CVE-2019-13529 is a high-severity vulnerability in Sma Sunny Webbox Firmware with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Sma Sunny Webbox Firmware
Published: 2019-10-09
Last modified: 2026-06-17

Description

An attacker could send a malicious link to an authenticated operator, which may allow remote attackers to perform actions with the permissions of the user on the Sunny WebBox Firmware Version 1.6 and prior. This device uses IP addresses to maintain communication after a successful login, which would increase the ease of exploitation.

Frequently asked questions

What is CVE-2019-13529?: An attacker could send a malicious link to an authenticated operator, which may allow remote attackers to perform actions with the permissions of the user on the Sunny WebBox Firmware Version 1.6 and prior. This device uses IP addresses to maintain communication after a successful login, which would increase the ease of exploitation.
How severe is CVE-2019-13529?: CVE-2019-13529 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13529?: CVE-2019-13529 affects Sma Sunny Webbox Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13529?: 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-2019-13529 published?: CVE-2019-13529 was published on 2019-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sma:sunny_webbox_firmware:*:*:*:*:*:*:*:*

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