CVE-2022-48066
CWE-287Published: January 27, 2023· Updated: Jun 17, 2026
Official Description
An issue in the component global.so of Totolink A830R V4.1.2cu.5182 allows attackers to bypass authentication via a crafted cookie.
Risk Analysis
This vulnerability in the Totolink A830R allows an unauthenticated attacker to bypass authentication by using a specially crafted cookie. With a CVSS score of 9.8, it is considered critical due to the ease of remote exploitation and the potential for full system compromise.
There is no public exploit known for this vulnerability, and it is not listed in the CISA KEV catalog. It is remotely exploitable with low attack complexity.
Users should update the Totolink A830R firmware to a version beyond 4.1.2cu.5182 if available and ensure the device is not exposed to the public internet.
Technical Analysis
CVE-2022-48066 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-287)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-48066 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts