VulnSocial

CVE-2026-5105Disclosure(totolink / a3300r)

LOWCVSS 8.8 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

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0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-74CWE-77

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • a3300r
  • a3300r_firmware

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Affected systems

Vendors
totolink
Products
a3300ra3300r_firmware

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-30: 3Technical Details · 2026-03-30: 203-30
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-5105 📊 Severity: 6.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-5105 #CVE-2026-5105 #CVE #Medium #CyberSecurity #InfoSec https://t.co/hDeFrEOFBC

    Post summary

    The tweet merely announces CVE-2026-5105 with basic severity data and broad product impact, without any additional technical details, exploit information, or patch notices.

    0001029
    116 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5105 A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the compo… https://www.cve.org/CVERecord?id=CVE-2026-5105

    Post summary

    The statement announces the detection of CVE‑2026‑5105 in Totolink A3300R’s setVpnPassCfg function, but provides no evidence of exploitation, patching, or a PoC.

    0001063
    56.9K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-5105 - Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection Intel Report: https://ift.tt/hOg8AEZ

    Post summary

    A newly disclosed command‑injection vulnerability (CVE‑2026‑5105) affecting Totolink A3300R routers is reported, with technical details provided but no PoC, exploit code, or patch information shared.

    0000045
    281 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtotolinka3300r---
OStotolinka3300r_firmware17.0.0cu.557_b20221024--

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