# CVE-2026-116506: TOTOLINK A950RG firewall.so apmib_set command injection

Status: published. Published: 2026-10-26. Updated: 2026-11-02.

A vulnerability was determined in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function apmib_set of the file firewall.so. This manipulation causes command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- TOTOLINK / A950RG: 4.1.2cu.5268_B20221104 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 9.4 (critical); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P; source: CNA: VulDB

- CVSS 3.1: 9.9 (critical); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 3.0: 9.9 (critical); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 2.0: 9 (critical); AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: 1.88% as of 2026-11-02; percentile 79.45%

- SSVC: exploitation poc; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-77, CWE-74

## Exploit evidence

- exploit: https://gist.github.com/H3rmesk1t/1046036a8601e93f375754e11307bfc8 (CNA: VulDB)

## References

- https://vuldb.com/vuln/426404 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/426404/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-116506 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1022555 (CNA: VulDB; third-party-advisory)

- https://gist.github.com/H3rmesk1t/1046036a8601e93f375754e11307bfc8 (CNA: VulDB; exploit)

- https://www.totolink.net/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-116506; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-116506; retrieved 2026-11-02; source updated Not reported

Revision: 3ffefed12283c6c4bd98312a41828a02f20a65bdf562ca2799a6cad33f63f24f

Canonical: https://y2.dev/cve/CVE-2026-116506

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Collected public records only. Check source status for coverage and freshness.