Plaintext storage of device private key in Tapo S505 firmware
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-312.
Summary
TP-Link Tapo S505 v1.6 firmware before 1.4.1 Build 260713 stores device-specific cryptographic material in plaintext in nonvolatile storage, classified as CWE-312. An attacker with physical access to an affected device can recover this material from the firmware. Successful exploitation may disclose device-specific cryptographic material and could, under certain conditions, increase the risk of unauthorized access to related protected information or communications.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Affected Tapo device firmware stores device-specific cryptographic material in plaintext within nonvolatile storage. An attacker with physical access to an affected device can recover this sensitive material from the firmware. Successful exploitation of this vulnerability may result in the disclosure of device-specific cryptographic material and could, under certain conditions, increase the risk of unauthorized access to related protected information or communications.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link System Inc. | Tapo S505 v1.6 | before 1.4.1 Build 260713 | 1.4.1 Build 260713 | Patch available | CNA |
- Tapo S505 v1.6 VendorTP-Link System Inc. Affected before 1.4.1 Build 260713 Fixed in 1.4.1 Build 260713 Patch available CNA
Remediation
Update Tapo S505 v1.6 firmware to 1.4.1 Build 260713.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Tapo S505 v1.6 (TP-Link System Inc.) Fixed in 1.4.1 Build 260713
Timeline
- 2026-10-09 Threatist record created from CVE-2026-102368
- 2026-10-09 CISA SSVC decision points changed
- 2026-10-09 Priority changed: MEDIUM → LOW
References
More TP-Link System Inc. vulnerabilities
- TI-2026-65319 Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration CVSS 4.0HIGH 8.5
- TI-2026-56252 Unauthenticated Account Information Disclosure in Multiple Omada Controllers CVSS 4.0MEDIUM 6.9
- TI-2026-74509 Missing authorization in TP-Link Omada Controller MSP mode CVSS 4.0HIGH 7.5
- TI-2025-10706 UPnP DOS in TL-WR940N V6 CVSS 4.0HIGH 7.1
- TI-2026-53559 Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N CVSS 4.0MEDIUM 5.3
- TI-2026-53558 Pre-Authentication NULL Pointer Dereference in UPnP SOAP State Variable Query Processing in TP-Link TL-WR841N CVSS 4.0MEDIUM 5.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences