VulnSocial

CVE-2026-7720Active Exploitation

LOWCVSS 2.1 · LOW

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Prioritize remediation for affected systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

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3.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-74CWE-77

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • Active exploitation appears in 1 classified signals
  • 1 mentions across 1 observed day

What's happening

  • Active exploitation reported across 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-25: 1Active Exploitation · 2026-05-25: 105-25
Signal classification1 categories
Active Exploitation
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • ookin@neko@kal25252
    Active Exploitation

    Totolink製WA300の脆弱性（CVE-2026-7720）を狙ったDDoSマルウェアの感染パケットを観測 https://ducklingstudio.blog.fc2.com/blog-entry-454.html https://t.co/EE6UHmAnMs

    Post summary

    Observations confirm that DDoS malware targeting Totolink WA300 devices via CVE‑2026‑7720 is actively exploiting the vulnerability in the wild.

    0000056
    70 followersView on X

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