Quick answers
- Is CVE-2026-6241 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-6241 being exploited in the wild.
- How severe is CVE-2026-6241?
- Informational severity, with a CVSS score of 6.8, published 6 June 2026.
- Which products and versions are affected?
- TP-Link Tapo C520WS v2.
- Is there a fix for CVE-2026-6241?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-6241 attacked?
- It is attacked from the adjacent network, in a network appliance.
- Am I affected by CVE-2026-6241?
- Check whether you run TP-Link Tapo C520WS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An authenticated format string vulnerability (CWE-134) exists in the ONVIF AddScopes method of the TP-Link Tapo C520WS v2. The vulnerability is caused by improperly passing user-controlled input from ONVIF scope parameters directly to formatting functions without adequate sanitization. An attacker with high privileges (PR:H) reachable via the adjacent network (AV:A) can inject format specifiers to manipulate memory handling. Successful exploitation leads to the termination of the ONVIF management service, resulting in a denial-of-service (DoS) condition affecting device operations.
Affected products
- TP-Link Tapo C520WS v2
Timeline
- 2026-06-05: disclosed
- 2026-06-06: advisory