VulnSocial

CVE-2026-4976Disclosure(totolink / lr350)

LOWCVSS 7.4 · HIGH

Signal is active with 1 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 found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

totolink CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119CWE-120

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • lr350
  • lr350_firmware

Threat summary

  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 4 classified signals
  • Peaked 1d ago at 3 mentions (2026-03-27); latest day: 1
  • 4 total mentions across 2 days

Affected systems

Vendors
totolink
Products
lr350lr350_firmware

2 versions affected across 2 products

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-03-27: 3Mentions · 2026-03-28: 1Technical Details · 2026-03-27: 2Technical Details · 2026-03-28: 103-2703-28
Signal classification1 categories
Disclosure
4100.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-03-273
Disclosure3
2026-03-281
Disclosure1
Full discourse4 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-4976 A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipul… https://www.cve.org/CVERecord?id=CVE-2026-4976

    Post summary

    The message announces the discovery of CVE-2026-4976, a vulnerability affecting the setWiFiGuestCfg function in Totolink LR350 firmware, without detailing exploitation, patches, or confirmation of active attacks.

    00000108
    56.9K followersView on X
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2026-4976: HIGH] Vulnerability alert: Totolink LR350 9.3.5u.6369_B20220309 - remote buffer overflow exploit in setWiFiGuestCfg function of /cgi-bin/cstecgi.cgi file disclosed publicly. #CyberSecurity#cve,CVE-2026-4976,#cybersecurity https://cvefind.com/CVE-2026-4976

    Post summary

    The post identifies a remote buffer overflow vulnerability in Totolink LR350 firmware with technical details, but lacks PoC, exploit code, active exploitation claims, or patch information.

    0000039
    617 followersView on X
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-4976 - High A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ss... https://www.thehackerwire.com/vulnerability/CVE-2026-4976/ https://t.co/ecpOfOQd17

    Post summary

    The tweet announces a high‑severity vulnerability in a Totolink model, referencing the affected function and file, but does not provide PoC, exploit code, or mitigation details.

    0000042
    163 followersView on X
  • VulDB 🛡@vuldb
    Disclosure

    A severe vulnerability was disclosed for Totolink LR350 (CVE-2026-4976) https://vuldb.com/?id.353863

    Post summary

    The post announces the disclosure of CVE-2026-4976 for the Totolink LR350, noting its severity but offering no further technical details or remedial guidance.

    0000042
    2.1K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtotolinklr350---
OStotolinklr350_firmware9.3.5u.6369_b20220309--

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