CVE-2026-123966
Tenda AC19 saveParentControlInfo heap-based overflow
A vulnerability was determined in Tenda AC19 16.03.10.07. Affected by this issue is the function saveParentControlInfo of the file /goform/saveParentControlInfo. This manipulation of the argument deviceId causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| AC19 Tenda |
16.03.10.07 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 10.0 critical |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | CNA: VulDB |
| 3.1 / 10.0 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C | CNA: VulDB |
| 3.0 / 10.0 critical |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C | CNA: VulDB |
| 2.0 / 10.0 critical |
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
- https://github.com/Tmzop/Tenda-AC19-saveParentControlInfo/blob/main/report.md
exploit · CNA: VulDB
References
- https://vuldb.com/vuln/432038CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/432038/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-123966CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1035173CNA: VulDB · third-party-advisory
- https://github.com/Tmzop/Tenda-AC19-saveParentControlInfo/blob/main/report.mdCNA: VulDB · exploit
- https://www.tenda.com.cn/CNA: VulDB · product
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