VulnSocial

CVE-2026-5350Disclosure(trendnet / tew-657brm)

LOWCVSS 7.4 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A security flaw has been discovered in Trendnet TEW-657BRM 1.00.1. The impacted element is the function update_pcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." This vulnerability only affects products that are no longer supported by the maintainer.

trendnet CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119CWE-121

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.

  • tew-657brm
  • tew-657brm_firmware

Threat summary

  • Public PoC is present in monitored signal
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Exploit: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-04-02); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
trendnet
Products
tew-657brmtew-657brm_firmware

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-02: 2Mentions · 2026-04-03: 1PoC Mentioned / Linked · 2026-04-02: 1Technical Details · 2026-04-02: 2Technical Details · 2026-04-03: 104-0204-03
Signal classification2 categories
Disclosure
266.7%
Exploit
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-022
Disclosure1Exploit1
2026-04-031
Disclosure1
Full discourse3 posts
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-5350 - High A security flaw has been discovered in Trendnet TEW-657BRM 1.00.1. The impacted element is the function update_pcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba results ... https://www.thehackerwire.com/vulnerability/CVE-2026-5350/ https://t.co/sxUIJ4PHmJ

    Post summary

    A vulnerability was disclosed in Trendnet TEW‑657BRM firmware affecting the update_pcdb function via manipulation of the mac_pc_dba argument; no PoC, exploit, or patch information is provided.

    0000050
    163 followersView on X
  • CVEFind.com@CveFindCom
    Exploit

    [CVE-2026-5350: HIGH] Security flaw found in Trendnet TEW-657BRM 1.00.1 allows remote stack-based buffer overflow via manipulation of mac_pc_dba argument in /setup.cgi. Exploit released, impacts discontinued p...#cve,CVE-2026-5350,#cybersecurity https://cvefind.com/CVE-2026-5350

    Post summary

    CVE‑2026‑5350 affects Trendnet TEW‑657BRM, causing a remote stack‑based buffer overflow; an exploit has been released, but no patch or active exploitation reports are noted.

    0000035
    617 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5350 A security flaw has been discovered in Trendnet TEW-657BRM 1.00.1. The impacted element is the function update_pcdb of the file /setup.cgi. The manipulation of the argu… https://www.cve.org/CVERecord?id=CVE-2026-5350

    Post summary

    A new vulnerability (CVE-2026-5350) was disclosed in Trendnet TEW-657BRM 1.00.1, affecting the update_pcdb function in /setup.cgi; technical details are available, but no evidence of exploitation, PoC, or patch information is provided.

    0000054
    56.9K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtrendnettew-657brm---
OStrendnettew-657brm_firmware1.00.1--

Explore more

Back to dashboardtrendnet CVEstew-657brm vulnerabilities