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HIGH

CVE-2017-2855

CVSS v3

8.1

HIGH

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2018-09-19

Frequently asked questions

What is CVE-2017-2855?

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.

Is CVE-2017-2855 actively exploited?

Active exploitation of CVE-2017-2855 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-2855?

CVE-2017-2855 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2017-2855 affecting your environment?

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