CVE-2026-51655: n/a
Description
Incorrect access control in the getMacFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain MAC filter rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect access control in the getMacFilterRules function of TOTOLINK T6 version 4.1.5cu.748_B20211015. An attacker without authentication can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, which results in disclosure of MAC filter rules. The issue is classified under CWE-284 (Improper Access Control). There is no indication of active exploitation in the wild or an available patch at this time.
Potential Impact
The vulnerability allows unauthenticated attackers to obtain MAC filter rules, which may expose network filtering configurations. The confidentiality impact is limited to disclosure of these rules, with no impact on integrity or availability. This could potentially aid attackers in network reconnaissance but does not directly compromise system control or data integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No vendor-provided mitigation or workaround information is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a91e409acd9273b4942e7bb
Added to database: 08/28/2026, 19:39:53 UTC
Last enriched: 09/07/2026, 14:31:40 UTC
Last updated: 10/12/2026, 18:48:20 UTC
Views: 28
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