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Fencer Intel
critical 9.8

CVE-2021-46442 in the critical feed json

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform function…

published 4y ago modified 4mo ago also EUVD-2021-33118

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
56.1%
EPSS 56.1% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.

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Exploit prediction

56.06% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/tgp-top/D-Link-DIR-825 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.