CVE-2021-28842 is a Null Pointer Dereference vulnerability affecting specific TRENDnet access point models (TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC, TEW-825DAP). A remote, unauthenticated attacker can trigger a denial of service by sending a crafted POST request to the apply_cgi endpoint without a login_name key. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a severe impact on availability with low attack complexity and no user interaction required. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.11b03CPE matchmatch criteria | cpe:2.3:o:trendnet:tew-755ap_firmware:1.11b03:*:*:*:*:*:*:* | ||
1.11b03CPE matchmatch criteria | cpe:2.3:o:trendnet:tew-755ap2kac_firmware:1.11b03:*:*:*:*:*:*:* | ||
1.11b03CPE matchmatch criteria | cpe:2.3:o:trendnet:tew-821dap2kac_firmware:1.11b03:*:*:*:*:*:*:* | ||
1.11b03CPE matchmatch criteria | cpe:2.3:o:trendnet:tew-825dap_firmware:1.11b03:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.