How severe is CVE-2019-16731?

CVE-2019-16731 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-16731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16731?

CVE-2019-16731 primarily affects Skymee Petalk Ai Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-16731?

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-2019-16731 published?

CVE-2019-16731 was published on 2019-12-13 and last updated on 2026-06-17.

CVE-2019-16731

CVE-2019-16731 is a high-severity vulnerability in Skymee Petalk Ai Firmware with a CVSS 3.x base score of 7.5. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Skymee Petalk Ai Firmware
Published: 2019-12-13
Last modified: 2026-06-17

Description

The udpServerSys service in Petwant PF-103 firmware 4.22.2.42 and Petalk AI 3.2.2.30 allows remote attackers to initiate firmware upgrades and alter device settings.

Frequently asked questions

What is CVE-2019-16731?: The udpServerSys service in Petwant PF-103 firmware 4.22.2.42 and Petalk AI 3.2.2.30 allows remote attackers to initiate firmware upgrades and alter device settings.
How severe is CVE-2019-16731?: CVE-2019-16731 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-16731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16731?: CVE-2019-16731 primarily affects Skymee Petalk Ai Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-16731?: 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-2019-16731 published?: CVE-2019-16731 was published on 2019-12-13 and last updated on 2026-06-17.

References

https://blog.securityevaluators.com/remotely-exploiting-iot-pet-feeders-21013562aea3

Affected products (2)

cpe:2.3:o:skymee:petalk_ai_firmware:3.2.2.30:*:*:*:*:*:*:*
cpe:2.3:o:petwant:pf-103_firmware:4.22.2.42:*:*:*:*:*:*:*

More vulnerabilities in Skymee Petalk Ai Firmware

CVE-2019-17364 — Critical (CVSS 9.8): The processCommandUploadLog() function of libcommon.so in Petwant PF-103 firmware 4.22.2.42 and Petalk AI 3.2.2.30…
CVE-2019-16737 — Critical (CVSS 9.8): The processCommandSetMac() function of libcommon.so in Petwant PF-103 firmware 4.22.2.42 and Petalk AI 3.2.2.30 allows…
CVE-2019-16736 — Critical (CVSS 9.8): A stack-based buffer overflow in processCommandUploadSnapshot in libcommon.so in Petwant PF-103 firmware 4.22.2.42 and…
CVE-2019-16735 — Critical (CVSS 9.8): A stack-based buffer overflow in processCommandUploadLog in libcommon.so in Petwant PF-103 firmware 4.22.2.42 and…
CVE-2019-16734 — Critical (CVSS 9.8): Use of default credentials for the TELNET server in Petwant PF-103 firmware 4.3.2.50 and Petalk AI 3.2.2.30 allows…
CVE-2019-16733 — Critical (CVSS 9.8): processCommandSetUid() in libcommon.so in Petwant PF-103 firmware 4.22.2.42 and Petalk AI 3.2.2.30 allows remote…

All CVEs affecting Skymee Petalk Ai Firmware →

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