How severe is CVE-2017-2871?

CVE-2017-2871 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2871 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2871?

CVE-2017-2871 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2871?

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-2017-2871 published?

CVE-2017-2871 was published on 2018-04-17 and last updated on 2026-06-17.

CVE-2017-2871

CVE-2017-2871 is a high-severity vulnerability in Foscam C1 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Foscam C1 Firmware
Published: 2018-04-17
Last modified: 2026-06-17

Description

Insufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. An attacker who is in the same subnetwork of the camera or has remote administrator access can fully compromise the device by performing a firmware recovery using a custom image.

Frequently asked questions

What is CVE-2017-2871?: Insufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. An attacker who is in the same subnetwork of the camera or has remote administrator access can fully compromise the device by performing a firmware recovery using a custom image.
How severe is CVE-2017-2871?: CVE-2017-2871 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2871 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2871?: CVE-2017-2871 affects Foscam C1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2871?: 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-2017-2871 published?: CVE-2017-2871 was published on 2018-04-17 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2017-0378

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-2017-2855 — 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…
CVE-2017-2854 — High (CVSS 8.1): An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running…

All CVEs affecting Foscam C1 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…

Browse all CWE-287 (Improper Authentication) vulnerabilities →