CVE-2026-77945

A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-bin/upload.cgi of the component ssi. Performing a manipulation of the argument filename results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used.

CVSS 4.0

2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P

CVSS 3.1

7.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS

1.8% chance of exploitation in the next 30 days; higher than 77% 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-821DAP_ssi_Arbitrary_File_Command_Injection.md
• https://vuldb.com/cve/CVE-2026-77945
• https://vuldb.com/submit/881248
• https://vuldb.com/vuln/394174
• https://vuldb.com/vuln/394174/cti

Check your stackJSON