Vulnerability details
CVE-2026-5155
Tenda CH22
Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow
CVSS 4.0
8.7High
Official description
A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Tenda | CH22 | 1.0.0.1 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/vuln/354187 vdb-entrytechnical-description
- https://vuldb.com/vuln/354187/cti signaturepermissions-required
- https://vuldb.com/submit/780207 third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_47/README.md exploit
- https://www.tenda.com.cn/ product
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Details
- Published
- 2026-03-31
- Last updated
- 2026-04-02
- State
- Published
- Assigner (CNA)
- VulDB
Exploit prediction (EPSS)
0.78%
Probability of exploitation in 30 days
56.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-121Stack-based Buffer Overflow
- CWE-119Memory Corruption