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Vulnerability record · CVE-2017-2871 · published 17 April 2018

CVE-2017-2871: Foscam c1 firmware improper authentication vulnerability

Foscam · C1 Firmware

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.

8.8 CVSS 3.1 High EPSS 1.1% · top 36.6% CWE-287 · Improper authentication
8.8CVSS 3.1 base score, v2 5.8
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0378 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0378 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-2877Foscam c1 firmware vulnerabilityA missing error check exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially…EPSS 1.9%9.1CVE-2017-2875Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application firmware…EPSS 1.4%8.1CVE-2017-2855Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43.…EPSS 1.7%8.1CVE-2017-2854Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43.…EPSS 1.7%8.1CVE-2017-2856Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43.…EPSS 1.7%8.1CVE-2017-2857Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43.…EPSS 1.7%7.5CVE-2017-2876Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application firmware…EPSS 1.3%7.5CVE-2017-2878Foscam c1 firmware classic buffer overflow vulnerabilityAn exploitable buffer overflow vulnerability exists in the web management interface used by the Foscam C1 Indoor HD Camera running application firmwa…EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2017-2871), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.