CyberSecBulletin
CVE-2023-30403NVD status: Modified

An issue in the time-based authentication mechanism of Aigital Aigital Wireless-N Repeater…

CVE-2023-30403 is a high-severity vulnerability in Wireless-n Repeater Mini Router Firmware from Aigital, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Wireless-n Repeater Mini Router Firmware versions: 0.131229. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 14.9% chance of exploitation within 30 days, which is in the top 3.25% of all scored CVEs.

Patch this week

EPSS places it among the vulnerabilities most likely to be exploited soon.

What to do

  1. Check which version of Wireless-n Repeater Mini Router Firmware you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
AigitalWireless-n Repeater Mini Router Firmware0.131229Not stated

Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
HighData or code can be modified at will.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighNVD
CVSS 3.17.5HighCISA (ADP)

Official description

An issue in the time-based authentication mechanism of Aigital Aigital Wireless-N Repeater Mini_Router v0.131229 allows attackers to bypass login by connecting to the web app after a successful attempt by a legitimate user.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Technical write-ups (may include proof of concept)

Other vulnerabilities in Wireless-n Repeater Mini Router Firmware

All Wireless-n Repeater Mini Router Firmware vulnerabilities

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