CVE-2026-11553
HIGH Exploitation: PoC
8.8
CVSS 3.1
Description
A vulnerability was found in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
Metadata
Severity & Metrics
8.8
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC — CISA Coordinator
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Tenda | HG10 | — | 300001138_en_xpon |
| Tenda | HG7HG9 | — | 300001138_en_xpon |
Weakness (CWE)
CVSS scores (4)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 9.0 | N/D | 2.0 | cna | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
| 8.8 | HIGH | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 8.8 | HIGH | 3.0 | cna | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 8.7 | HIGH | 4.0 | cna | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
References (7)
- VDB-369163 | Tenda HG7HG9/HG10 formPPPEdit stack-based overflow https://vuldb.com/vuln/369163
- VDB-369163 | CTI Indicators (IOB, IOC, IOA) https://vuldb.com/vuln/369163/cti
- CVE-2026-11553 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-11553
- Submit #836778 | Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon stack-based buffer overflow https://vuldb.com/submit/836778
- https://github.com/xiezhihua-1127/Tenda-Stack-Overflow.git
- https://github.com/xiezhihua-1127/Tenda-Stack-Overflow/blob/main/report.md
- https://www.tenda.com.cn/