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CVE-2017-2855

An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware…

High8.1EPSS 1.7%
Published
Updated
Reserved
Assigned by
talos

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.

Timeline

  1. ID reserved

    By talos

  2. · 22 months later

    Published

  3. · 6 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2017-2855, by who scored it
Scored byCVSSScoreVector
talosCNA (assigner)3.0High8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.7% · top 23% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.

Weakness

Affected products

  • Foscam · Foscam C1 Indoor HD Camera

    • affected Foscam Indoor IP Camera C1 Series,System Firmware Version: 1.9.3.18,Application Firmware Version: 2.52.2.43,Plug-In Version: 3.3.0.26

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .