VulnSocial

CVE-2026-7240Patch

LOWCVSS 8.9 · HIGH

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 vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

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

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-28); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-28: 1Mentions · 2026-04-30: 1Patch / Workaround · 2026-04-28: 1Technical Details · 2026-04-28: 1Technical Details · 2026-04-30: 104-2804-30
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets1 URL
Classification over time
DateTotalLabels
2026-04-281
Patch1
2026-04-301
Disclosure1
Full discourse2 posts
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs
    Disclosure

    CVE-2026-7240 is a critical unauthenticated OS command injection. Router management interfaces are reachable, but exposure is typically internal. See full analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-04-28/TIER_2_CVE-2026-7240.md #CyberSecurity #VulnerabilityManagement #DPI #DigitalIdentity #CVE

    Post summary

    The post announces a critical unauthenticated OS command injection vulnerability (CVE-2026-7240) affecting router management interfaces, but it does not provide evidence of exploitation, a PoC, patch, or debunking.

    0100057
    43 followersView on X
  • Orizon@OrizonCyber
    Patch

    🚨 CVE-2026-7240 — CVSS 9.8/10 ██████████ A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/ysJVUIa9sc

    Post summary

    A critical vulnerability (CVSS 9.8/10) was identified in the Totolink A8000RU 7.1cu.643_b20200521 firmware, and a patch has already been released.

    1000031
    25 followersView on X

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