CVE-2026-4309
Medium
Description
Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.
SeverityMedium
CVSS6.5
Exploit probability—
ProductNec Aterm Wg2600hs Firmware
PublishedMar 27, 2026
First seenMar 27, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- nec aterm_wg2600hs_firmware1.7.2 or later
- nec aterm_wf1200cr_firmware1.6.0 or later
- nec aterm_wg1200cr_firmware1.5.0 or later
- nec aterm_wg2600hp4_firmware1.4.2 or later
- nec aterm_wg2600hm4_firmware1.4.2 or later
- nec aterm_wg2600hs2_firmware1.3.2 or later
- nec aterm_wx3000hp_firmware2.5.0 or later
- nec aterm_wx1500hp_firmware1.4.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nec aterm_wg2600hs_firmware | v < 1.7.2 | 1.7.2 |
| nec aterm_wf1200cr_firmware | v < 1.6.0 | 1.6.0 |
| nec aterm_wg1200cr_firmware | v < 1.5.0 | 1.5.0 |
| nec aterm_wg2600hp4_firmware | v < 1.4.2 | 1.4.2 |
| nec aterm_wg2600hm4_firmware | v < 1.4.2 | 1.4.2 |
| nec aterm_wg2600hs2_firmware | v < 1.3.2 | 1.3.2 |
| nec aterm_wx3000hp_firmware | v < 2.5.0 | 2.5.0 |
| nec aterm_wx3600hp_firmware | v ≤ 1.5.3 | — |
| nec aterm_w1200ex-ms_firmware | No range specified | — |
| nec aterm_wg1200hp2_firmware | No range specified | — |
| nec aterm_wg1900hp_firmware | No range specified | — |
| nec aterm_wg1200hs2_firmware | No range specified | — |
| nec aterm_wg1800hp3_firmware | No range specified | — |
| nec aterm_wg1200hp3_firmware | No range specified | — |
| nec aterm_wg1900hp2_firmware | No range specified | — |
| nec aterm_wg1200hs3_firmware | No range specified | — |
| nec aterm_wg1800hp4_firmware | No range specified | — |
| nec aterm_wg1200hp4_firmware | No range specified | — |
| nec aterm_wg1200hs4_firmware | No range specified | — |
| nec aterm_wx1500hp_firmware | v < 1.4.2 | 1.4.2 |
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