Vulnerability · Published Aug 22, 2026 · Assigned by VulDB
CVE-2026-77988TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection
Medium 6.6
In plain English
A medium-severity command injection in TEW-823DRU from TRENDnet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).
Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)2.4%top 15.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TRENDnet | TEW-823DRU | 1.1.02b01 |
Weakness: CWE-77, CWE-74 · Vector: 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
References
- VDB-394178 | TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection vdb-entry, technical-description
- VDB-394178 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-77988 | CVE Analysis and Report third-party-advisory
- Submit #881256 | TRENDnet TEW-823DRU Wireless AC2100 Dual Band Gigabit Router v1.1.02b01 Command Injection third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md exploit