Security readout for executives and security teams
Plain-English summary
CVE-2017-2879 affects the Foscam C1 Indoor HD Camera. A nearby network attacker could trigger a buffer overflow through UPnP discovery traffic, potentially compromising confidentiality, integrity, and availability. The sources do not show confirmed active exploitation or a named patch.
Executive priority
Treat this as a high-priority legacy IoT exposure where affected cameras share networks with users, guests, or unmanaged devices. Prioritize isolation and firmware verification over emergency internet perimeter response.
Technical view
The issue is a buffer overflow in the UPnP implementation of Foscam C1 running application firmware 2.52.2.43. A crafted UPnP discovery response can overwrite arbitrary data. CVSS 3.0 is 7.5, with adjacent-network access, high attack complexity, no privileges, and no user interaction.
Likely exposure
Exposure is most likely where Foscam C1 Indoor HD Cameras run system firmware 1.9.3.18 and application firmware 2.52.2.43 on networks reachable by untrusted or weakly trusted local clients.
Exploitation context
The attacker must be on the same subnetwork and respond to a device discovery message. The bundle marks KEV as false, and no cited source states active exploitation. Evidence supports local-network risk, not internet-scale remote exploitation.
Researcher notes
The cited affected configuration is specific: Foscam C1 Indoor IP Camera, system firmware 1.9.3.18, application firmware 2.52.2.43, plug-in 3.3.0.26. Sources do not list a CWE, patch version, or confirmed exploitation. Avoid broadening impact beyond this product without vendor evidence.
Mitigation direction
- Inventory Foscam C1 cameras and record exact firmware versions.
- Check Foscam or reseller guidance for fixed firmware or replacement advice.
- Reduce untrusted same-subnet access to affected cameras.
- Place cameras on restricted IoT or surveillance network segments.
- Monitor vendor advisories before assuming remediation is complete.
Validation and detection
- Identify Foscam C1 devices in asset inventories and network scans.
- Confirm system, application, and plug-in firmware versions from device management interfaces.
- Review network placement for same-subnet exposure to untrusted clients.
- Check whether UPnP discovery traffic reaches affected camera segments.
- Document compensating controls where firmware remediation is unavailable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2017-2879 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H1.65.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0386CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.