CVE-2026-77988
TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection
- State
- Published
- Severity
- 5.1 Medium
- Published
- Aug 22, 2026
- Updated
- Aug 24, 2026
- Reserved
- Aug 21, 2026
Description
A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P | VulDB |
| 3.1 | 6.6 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.6 Medium | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.8 Medium | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
TEW-823DRUTRENDnet |
|
References
- VDB-394178 | TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injectionvdb-entrytechnical-description
- VDB-394178 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-77988 | CVE Analysis and Reportthird-party-advisory
- Submit #881256 | TRENDnet TEW-823DRU Wireless AC2100 Dual Band Gigabit Router v1.1.02b01 Command Injectionthird-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.mdexploit
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