A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVE-2026-5677
Score 7.3 from GitHub Security Advisory published 2026-04-06. NVD baseline CVSS 7.3; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EPSS
- 63.0%
- KEV
- Not listed
Published
April 6, 2026
Last Modified
April 29, 2026
References (5)
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-78 · CWE-77
- CVE-2009-20011EG 10.0CRITICAL
- CVE-2011-10017EG 10.0CRITICAL
- CVE-2011-10026EG 9.8CRITICAL
- CVE-2011-2195EG 9.8CRITICAL
- CVE-2011-2523EG 9.8EPSS 100%CRITICAL
- CVE-2010-5330EG 9.8 KEVEPSS 98%CRITICAL
- CVE-2009-5156EG 9.8EPSS 95%CRITICAL
- CVE-2007-3010EG 9.8 KEVEPSS 100%CRITICAL
- CVE-2005-2773EG 9.8 KEVEPSS 99%CRITICAL
- CVE-1999-0043EG 9.8EPSS 99%CRITICAL
Frequently asked(5)
What is CVE-2026-5677?
When was CVE-2026-5677 disclosed?
Is CVE-2026-5677 actively exploited?
What is the CVSS score of CVE-2026-5677?
How do I remediate CVE-2026-5677?
Dependency Blast Radius
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