CVE-2026-5178Disclosure(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 security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

0.0/ 10 priority

Sources & remediation

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: 3 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
Products
a3300ra3300r_firmware

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-31: 3Technical Details · 2026-03-31: 203-31
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • CVEarity@CVEarity
    Disclosure

    ⚡ New CVE Alert: CVE-2026-5178 📊 Severity: 6.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-5178 #CVE-2026-5178 #CVE #Medium #CyberSecurity #InfoSec https://t.co/kTzUoonnfl

    Post summary

    A new vulnerability (CVE-2026-5178) with medium severity (6.3) has been announced for unspecified products, but no additional technical or mitigation details are provided.

    0000026
    123 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5178 A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi… https://www.cve.org/CVERecord?id=CVE-2026-5178

    Post summary

    The text reports the detection of CVE-2026-5178 in Totolink A3300R and provides minimal details about the affected component.

    0000078
    56.9K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-5178 - Totolink A3300R cstecgi.cgi setIptvCfg command injection Intel Report: https://ift.tt/CtzeXvI

    Post summary

    Alert issued for CVE-2026-5178, a command injection flaw in Totolink A3300R devices, with a link to an Intel Report for further details.

    0000031
    281 followersView on X
CPE platform detail2 entries

2 of 2 entries

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

Explore more