How severe is CVE-2017-2873?

CVE-2017-2873 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2873?

CVE-2017-2873 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2873?

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-2017-2873 published?

CVE-2017-2873 was published on 2018-09-19 and last updated on 2026-06-17.

CVE-2017-2873

CVE-2017-2873 is a high-severity vulnerability in Foscam C1 Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Foscam C1 Firmware
Published: 2018-09-19
Last modified: 2026-06-17

Description

An exploitable command injection vulnerability exists in the web management interface used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially crafted HTTP request can allow for a user to inject arbitrary shell characters during the SoftAP configuration resulting in command injection. An attacker can simply send an HTTP request to the device to trigger this vulnerability.

Frequently asked questions

What is CVE-2017-2873?: An exploitable command injection vulnerability exists in the web management interface used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially crafted HTTP request can allow for a user to inject arbitrary shell characters during the SoftAP configuration resulting in command injection. An attacker can simply send an HTTP request to the device to trigger this vulnerability.
How severe is CVE-2017-2873?: CVE-2017-2873 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2873?: CVE-2017-2873 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2873?: 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-2017-2873 published?: CVE-2017-2873 was published on 2018-09-19 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2017-0380

Affected products (1)

cpe:2.3:o:foscam:c1_firmware:2.52.2.43:*:*:*:*:*:*:*

More vulnerabilities in Foscam C1 Firmware

CVE-2017-2877 — Critical (CVSS 9.8): A missing error check exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application…
CVE-2017-2875 — Critical (CVSS 9.1): An exploitable buffer overflow vulnerability exists in the Multi-Camera interface used by the Foscam C1 Indoor HD…
CVE-2017-2871 — High (CVSS 8.8): Insufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running application…
CVE-2017-2855 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…
CVE-2017-2857 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…
CVE-2017-2856 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…

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