How severe is CVE-2018-19077?

CVE-2018-19077 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 none, and availability high.

Is CVE-2018-19077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19077?

CVE-2018-19077 primarily affects Opticam I5 Application 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-2018-19077?

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-2018-19077 published?

CVE-2018-19077 was published on 2018-11-07 and last updated on 2026-06-17.

CVE-2018-19077

CVE-2018-19077 is a high-severity vulnerability in Opticam I5 Application 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Opticam I5 Application Firmware
Published: 2018-11-07
Last modified: 2026-06-17

Description

An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. RtspServer allows remote attackers to cause a denial of service (daemon hang or restart) via a negative integer in the RTSP Content-Length header.

Frequently asked questions

What is CVE-2018-19077?: An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. RtspServer allows remote attackers to cause a denial of service (daemon hang or restart) via a negative integer in the RTSP Content-Length header.
How severe is CVE-2018-19077?: CVE-2018-19077 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 none, and availability high.
Is CVE-2018-19077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19077?: CVE-2018-19077 primarily affects Opticam I5 Application 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-2018-19077?: 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-2018-19077 published?: CVE-2018-19077 was published on 2018-11-07 and last updated on 2026-06-17.

References

https://sintonen.fi/advisories/foscam-ip-camera-multiple-vulnerabilities.txt

Affected products (4)

cpe:2.3:o:opticam:i5_application_firmware:2.21.1.128:*:*:*:*:*:*:*
cpe:2.3:o:opticam:i5_system_firmware:1.5.2.11:*:*:*:*:*:*:*
cpe:2.3:o:foscam:c2_application_firmware:2.72.1.32:*:*:*:*:*:*:*
cpe:2.3:o:foscam:c2_system_firmware:1.11.1.8:*:*:*:*:*:*:*

More vulnerabilities in Opticam I5 Application Firmware

CVE-2018-19082 — Critical (CVSS 9.8): An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128.…
CVE-2018-19081 — Critical (CVSS 9.8): An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128.…
CVE-2018-19078 — Critical (CVSS 9.8): An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128.…
CVE-2018-19076 — Critical (CVSS 9.8): An issue was discovered on Foscam C2 devices with System Firmware 1.11.1.8 and Application Firmware 2.72.1.32, and…
CVE-2018-19069 — Critical (CVSS 9.8): An issue was discovered on Foscam C2 devices with System Firmware 1.11.1.8 and Application Firmware 2.72.1.32, and…
CVE-2018-19067 — Critical (CVSS 9.8): An issue was discovered on Foscam C2 devices with System Firmware 1.11.1.8 and Application Firmware 2.72.1.32, and…

All CVEs affecting Opticam I5 Application Firmware →

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