CVE-2026-2140HIGH 8.8EPSS p49.5%
CVE-2026-2140CVE-2026-2140
Description
A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.
Scoring
| CVSS 3.1 | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.73% probability of exploitation · percentile 49.5% · 2026-06-19T12:03:05Z |
| Published | 2026-02-08 |
| Last modified | 2026-02-10 |
Underlying weaknesses· 2
References
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#poc
- https://vuldb.com/?ctiid.344775
- https://vuldb.com/?id.344775
- https://vuldb.com/?submit.747251
- https://vuldb.com/?submit.749747
- https://www.tenda.com.cn/
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Restriction of Operations within the Bounds of a Memory Buffercwe-119 | 0% | live |
| Weakness | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-120 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.