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CVE Record

CVE-2017-2871: Insufficient security checks exist in the recovery procedure used by the Foscam C1 Indoor HD Camera running...

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.

CriticalCVSS 9.6Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This flaw lets someone on the same local network, or someone with remote administrator access, take over an affected Foscam C1 camera by abusing its firmware recovery process with a custom image. For executives, treat exposed cameras as potentially controllable by an attacker if they run the cited firmware.

Executive priority

Prioritize discovery and isolation where these cameras protect sensitive areas or sit on business networks. The business risk is full device compromise, but urgency depends on whether affected cameras are still deployed and reachable.

Technical view

CVE-2017-2871 affects the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. Talos reports insufficient security checks in the firmware recovery procedure, allowing full device compromise via custom recovery firmware. The CVSS 3.0 score is 9.6 with adjacent-network attack vector, low complexity, no user interaction, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely in environments still using Foscam C1 Indoor HD Camera C1 Series devices, especially firmware 2.52.2.43, on shared local networks or with remote administration enabled.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. The attack requires same-subnetwork access to the camera or remote administrator access, according to the CVE description.

Researcher notes

Evidence is limited to the CVE record and Talos advisory reference in the bundle. Do not assume broader Foscam model impact, internet-preauth exploitation, active attacks, or a specific fixed version without vendor-confirmed documentation.

Mitigation direction

  • Inventory Foscam C1 Indoor HD Camera C1 Series devices and record firmware versions.
  • Check vendor and Talos guidance for fixed firmware or supported recovery protections.
  • Restrict camera administration and recovery access to trusted management networks.
  • Remove unnecessary remote administration exposure.
  • Replace or decommission affected devices if no supported corrective firmware exists.

Validation and detection

  • Confirm whether any camera reports application firmware 2.52.2.43.
  • Verify affected cameras are not reachable from untrusted local subnets.
  • Review whether remote administrator access is enabled or exposed.
  • Check change logs for unexpected firmware recovery or update activity.
  • Confirm remediation status against vendor guidance before closing.
Prepared
Confidence
high
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2017-2871 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.6 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.6CVSS 3.0CriticalCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H2.86Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

9.6Critical
CVSS 3.0 vector shape for CVE-2017-2871Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TalosFoscamFoscam Indoor IP Camera C1 SeriesListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.