Answer in brief
CVE-2021-40655 records a High severity vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps dlink/dir-605l (generic), dlink/dir-605l_firmware (generic), n/a/n/a (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps dlink/dir-605l (generic), dlink/dir-605l_firmware (generic), n/a/n/a (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| dlink/dir-605lgeneric | b2 | Not reported |
| dlink/dir-605l_firmwaregeneric | 2.01mt | Not reported |
| n/a/n/ageneric | n/a | Not reported |
Published upstream
Sep 24, 2021
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 16, 2024
Evidence: source:kev:kev:kev:recordAn informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2021-40655 records a High severity vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps dlink/dir-605l (generic), dlink/dir-605l_firmware (generic), n/a/n/a (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps dlink/dir-605l (generic), dlink/dir-605l_firmware (generic), n/a/n/a (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| dlink/dir-605lgeneric | b2 | Not reported |
| dlink/dir-605l_firmwaregeneric | 2.01mt | Not reported |
| n/a/n/ageneric | n/a | Not reported |
Published upstream
Sep 24, 2021
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 16, 2024
Evidence: source:kev:kev:kev:recordAn informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page
Quoted source text, attributed separately from HOL analysis.