CVE-2026-5677Disclosure

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-04-07); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-07: 2Mentions · 2026-04-28: 1Patch / Workaround · 2026-04-28: 1Technical Details · 2026-04-07: 2Technical Details · 2026-04-28: 104-0704-28
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-072
Disclosure2
2026-04-281
Patch1
Full discourse3 posts
  • Giuseppe Paternicola@giuseppe_1337
    Patch

    🚨 HIGH: CVE-2026-5677 (CVSS 7.3) - OS Command Injection in Totolink A7100RU router. Remote exploit publicly available. Patch immediately if affected. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/iHyjW3c8wx

    Post summary

    CVE‑2026‑5677 is a high‑severity OS command injection flaw in Totolink A7100RU routers with a publicly available remote exploit; users are urged to apply the patch immediately.

    0000057
    27 followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-5677 - Totolink A7100RU cstecgi.cgi CsteSystem os command injection Intel Report: https://ift.tt/nKY0L1z

    Post summary

    The alert announces the CVE-2026-5677 vulnerability—a command injection in Totolink A7100RU’s cstecgi.cgi—and links to an Intel report for further details.

    0000032
    281 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-5677 OS Command Injection in Totolink A7100RU 7.4cu.2313_b20191024 Cste... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-5677 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1

    Post summary

    The message alerts on CVE-2026-5677, an OS command injection flaw in Totolink A7100RU firmware 7.4cu.2313_b20191024, with no PoC, exploit, or patch details offered.

    0000055
    4.0K followersView on X

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