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Fencer Vulns
high 7.5

CVE-2020-29656 json

An information disclosure vulnerability exists in RT-AC88U Download Master before 3.1.0.108.

published 2020-12-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-22014

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

An information disclosure vulnerability exists in RT-AC88U Download Master before 3.1.0.108. A direct access to /downloadmaster/dm_apply.cgi?action_mode=initial&download_type=General&special_cgi=get_language makes it possible to reach "unknown functionality" in a "known to be easy" manner via an unspecified "public exploit."

Patch / fix

  • asus rt-ac88u_firmware 3.1.0.108

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

References

Sources

Fencer Vulns 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.