CVE-2026-77988

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.

CVSS 4.0

2.0CVSS: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

CVSS 3.1

6.6CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

EPSS

2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-25)

CWEs

CWE-74, CWE-77

Published

2026-08-22

Modified

2026-10-12

Record from

the NVD, synced 2026-10-19

References

• https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md
• https://vuldb.com/cve/CVE-2026-77988
• https://vuldb.com/submit/881256
• https://vuldb.com/vuln/394178
• https://vuldb.com/vuln/394178/cti

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