Security readout for executives and security teams
Plain-English summary
CVE-2026-0919 can let an unauthenticated nearby network attacker crash affected TP-Link Tapo camera services by sending an oversized URL. The main business impact is loss of camera availability, including repeated restarts or denial of service. Public sources do not indicate confirmed active exploitation.
Executive priority
Prioritize remediation for affected cameras in security-sensitive locations or shared networks. This is a high availability risk, not a data-theft issue based on current sources. Treat as urgent for environments relying on these cameras for monitoring, safety, or operations.
Technical view
The issue is improper input handling in the HTTP parser for Tapo C210 v3, C220 v1, and C520WS v2. An excessively long URL path triggers an invalid-URL error path that continues into cleanup logic assuming buffers were allocated, causing a crash and service restart. CVSS 4.0 score is 7.1, high, with adjacent-network attack vector and no privileges required.
Likely exposure
Exposure is most relevant where affected Tapo camera web services are reachable from local Wi-Fi, LAN, or adjacent network segments. The CVSS vector indicates adjacent-network access, not general internet reachability. Organizations using these camera models should identify hardware versions and firmware status.
Exploitation context
The source bundle states exploitation is unauthenticated and low complexity, but limited to adjacent-network access. No CISA KEV listing is present, and the provided sources do not report active exploitation. The vulnerability affects availability, not confidentiality or integrity, according to the CVSS vector.
Researcher notes
The CVE record describes a crash from oversized URL handling in the HTTP parser cleanup path. Public data names affected model hardware versions but does not provide exploit details or fixed firmware numbers in the bundle. Use vendor pages for authoritative firmware validation.
Mitigation direction
- Review TP-Link FAQ 4923 and the model-specific download pages for firmware guidance.
- Update affected Tapo C210 v3, C220 v1, and C520WS v2 devices per TP-Link guidance.
- Restrict camera management access to trusted local networks only.
- Segment IoT cameras from user and guest networks.
- Monitor affected devices for repeated service crashes or unexpected reboots.
Validation and detection
- Inventory deployed TP-Link Tapo C210 v3, C220 v1, and C520WS v2 cameras.
- Confirm each device hardware version and installed firmware version.
- Compare firmware status against TP-Link advisory and download pages.
- Verify camera web interfaces are not reachable from untrusted network segments.
- Review logs or monitoring for repeated restarts or availability drops.
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.
CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-0919 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
- High
- CVSS
- 7.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
7.1HighVector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tp-link.com/us/support/download/tapo-c220/v1.60/CVE reference · patch
- https://www.tp-link.com/en/support/download/tapo-c220/v1/CVE reference · patch
- https://www.tp-link.com/us/support/download/tapo-c520ws/v2/CVE reference · patch
- https://www.tp-link.com/en/support/download/tapo-c520ws/v2/CVE reference · patch
- https://www.tp-link.com/us/support/faq/4923/CVE reference · vendor-advisory
- https://www.tp-link.com/us/support/download/tapo-c210/v3/CVE reference · patch
- https://www.tp-link.com/en/support/download/tapo-c210/v3/CVE reference · patch
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.