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Vulnerability record · CVE-2017-2854 · published 17 September 2018

CVE-2017-2854: Foscam c1 firmware classic buffer overflow vulnerability

Foscam · C1 Firmware

An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.

8.1 CVSS 3.1 High EPSS 1.7% · top 24.3% CWE-120 · Classic buffer overflow
8.1CVSS 3.1 base score, v2 9.3
1.7%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

An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.

CVSS:3.1/AV:N/AC:H/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://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0357 ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0357 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%8.8CVE-2017-2871Foscam c1 firmware improper authentication vulnerabilityInsufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. An attack…EPSS 1.1%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-2017-2856Foscam 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-2017-2854), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.