CVE-2021-31755
Summary
| CVE | CVE-2021-31755 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-05-07 23:15:00 UTC |
| Updated | 2021-05-10 14:57:00 UTC |
| Description | An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setmac allows attackers to execute arbitrary code on the system via a crafted post request. |
Risk And Classification
EPSS: 0.939570000 probability, percentile 0.998830000 (date 2026-04-04)
CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Unknown
Problem Types: CWE-787
CISA Known Exploited Vulnerability
| Vendor | Tenda |
|---|---|
| Product | AC11 Router |
| Name | Tenda AC11 Router Stack Buffer Overflow Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2021-31755 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Tenda | Ac11 | - | All | All | All |
| Operating System | Tenda | Ac11 Firmware | All | All | All | All |
| Operating System | Tenda | Ac11 Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| IoT_CVE/Tenda/CVE_3 at main · Yu3H0/IoT_CVE · GitHub | MISC | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 731278 Tenda Router AC11 Remote Code Execution (RCE) Vulnerability