How severe is CVE-2022-48066?

CVE-2022-48066 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-48066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-48066?

CVE-2022-48066 affects Totolink A830r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-48066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-48066 published?

CVE-2022-48066 was published on 2023-01-27 and last updated on 2026-06-17.

CVE-2022-48066

CVE-2022-48066 is a critical-severity vulnerability in Totolink A830r Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Totolink A830r Firmware
Published: 2023-01-27
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-48066?: An issue in the component global.so of Totolink A830R V4.1.2cu.5182 allows attackers to bypass authentication via a crafted cookie.
How severe is CVE-2022-48066?: CVE-2022-48066 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-48066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-48066?: CVE-2022-48066 affects Totolink A830r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-48066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-48066 published?: CVE-2022-48066 was published on 2023-01-27 and last updated on 2026-06-17.

References

https://befitting-vinca-933.notion.site/Totolink-A830R-V4-1-2cu-5182-Login-Authentication-Bypass-Vulnerability-e0dfe09f136a4cf59e3754edbd934c15

Affected products (1)

cpe:2.3:o:totolink:a830r_firmware:4.1.2cu.5182:*:*:*:*:*:*:*

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CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
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