9.8

CVE-2022-48066: totolink a830r_firmware Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 27-01-2023Last modified 28-03-2025
Open JSON

Vulnerability summary

CVE-2022-48066 is a critical (CVSS 9.8) Improper Authentication vulnerability in totolink a830r_firmware. EPSS estimates a 2.44% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
2.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 27-01-2023
    PublishedVulnerability first disclosed.
  2. 28-03-2025
    Last modifiedVulnerability information updated.

Description

An issue in the component global.so of Totolink A830R V4.1.2cu.5182 allows attackers to bypass authentication via a crafted cookie.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.44%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.44% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (befitting-vinca-933.notion.site)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Totolink1 product

1 vendor · 1 product

References

1 links