CVE-2026-4254
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Summary
A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Tenda | AC8 | 16.03.50.0 | affected |
| Tenda | AC8 | 16.03.50.1 | affected |
| Tenda | AC8 | 16.03.50.2 | affected |
| Tenda | AC8 | 16.03.50.3 | affected |
| Tenda | AC8 | 16.03.50.4 | affected |
| Tenda | AC8 | 16.03.50.5 | affected |
| Tenda | AC8 | 16.03.50.6 | affected |
| Tenda | AC8 | 16.03.50.7 | affected |
| Tenda | AC8 | 16.03.50.8 | affected |
| Tenda | AC8 | 16.03.50.9 | affected |
| Tenda | AC8 | 16.03.50.10 | affected |
| Tenda | AC8 | 16.03.50.11 | affected |
Weaknesses
- CWE-121: Stack-based Buffer Overflow
- CWE-119: Memory Corruption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: total
References
- https://vuldb.com/?id.351212
- https://vuldb.com/?ctiid.351212
- https://vuldb.com/?submit.771773
- https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md
- https://www.tenda.com.cn/
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