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CVE-2021-40655

Incorrect Authorization — is CVE-2021-40655real, exploitable, or a false positive? Here's the community ground truth.

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High · CVSS 7.5EPSS 87.0%CISA KEVCWE-863 · Incorrect Authorization

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

An 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

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: High (High 2) — CVSS base score 7.5

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Waleed AzizCurated

    D-Link DIR-605 Router Information Disclosure Vulnerability — D-Link DIR-605 routers contain an information disclosure vulnerability that allows attackers to obtain a username and password by forging a post request to the /getcfg.php page. Listed in the CISA KEV catalog (added 2024-05-16) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~87%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Priya NairCurated

    Required action for D-Link DIR-605 Router: This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions. CISA set a federal remediation due date of 2024-06-06. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Related CVEs

Same weakness — CWE-863 · Incorrect Authorization.