Security readout for executives and security teams
Plain-English summary
This flaw can let a remote attacker crash or restart the RTSP service on a specific Foscam Opticam i5 firmware combination. The main business impact is loss or interruption of camera video availability, not proven data theft or device takeover from the supplied sources.
Executive priority
Treat this as a surveillance availability risk. Prioritize exposed or security-critical cameras first, especially where downtime affects physical security operations.
Technical view
CVE-2018-19077 affects Foscam Opticam i5 devices running System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. RtspServer mishandles a negative integer in the RTSP Content-Length header, causing a daemon hang or restart. No CVSS, CWE, or vendor fix details are provided in the bundle.
Likely exposure
Exposure is likely limited to Foscam Opticam i5 cameras on the named firmware versions, especially where RTSP is reachable from untrusted networks.
Exploitation context
The bundle supports remote denial of service, but does not show active exploitation. The CVE is not marked in CISA KEV, and no exploit status is provided beyond the advisory description.
Researcher notes
Evidence is concise and specific: negative RTSP Content-Length triggers RtspServer hang or restart. The bundle does not provide CVSS metrics, patch identifiers, broader model impact, or confirmed exploitation.
Mitigation direction
- Check Foscam guidance for firmware updates or configuration mitigations.
- Restrict RTSP access to trusted management or recording networks only.
- Block internet exposure to affected camera RTSP services.
- Monitor affected cameras for repeated RTSP service restarts or hangs.
- Prioritize replacement if no supported firmware fix is available.
Validation and detection
- Inventory Foscam Opticam i5 devices and record system and application firmware versions.
- Identify whether RTSP is reachable from guest, user, vendor, or internet networks.
- Review camera and NVR logs for RTSP daemon crashes or unexplained restarts.
- Confirm vendor firmware or mitigation status before closing the finding.
- Document compensating controls if affected devices cannot be updated.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-19077 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://sintonen.fi/advisories/foscam-ip-camera-multiple-vulnerabilities.txtCVE 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.