CVE:CVE-2022-43393
CNNVD:CNNVD-202301-828
Zyxel GS1920是中国合勤（Zyxel）公司的一款交换机。
Zyxel GS1920-24v2 V4.70(ABMH.8)C0之前版本存在代码问题漏洞，该漏洞源于HTTP请求处理功能中未正确检查异常或异常情况，可能允许未经身份验证的攻击者破坏内存内容并导致拒绝服务(DoS)。
solution:Upgrade zyxel gs1350-6hp_firmware to a higher version than 4.70\(abpi.5\c0,and avoid the version (,4.70\(abpi.5\)c0); Upgrade zyxel gs1350-12hp_firmware to a higher version than 4.70\(abpj.5\c0,and avoid the version (,4.70\(abpj.5\)c0); Upgrade zyxel gs1350-18hp_firmware to a higher version than 4.70\(abpk.5\c0,and avoid the version (,4.70\(abpk.5\)c0); Upgrade zyxel gs1350-26hp_firmware to a higher version than 4.70\(abpl.5\c0,and avoid the version (,4.70\(abpl.5\)c0); Upgrade zyxel gs1915-8_firmware to a higher version than 4.70\(acap.3\c0,and avoid the version (,4.70\(acap.3\)c0); Upgrade zyxel gs1915-8ep_firmware to a higher version than 4.70\(acaq.3\c0,and avoid the version (,4.70\(acaq.3\)c0); Upgrade zyxel gs1915-24e_firmware to a higher version than 4.70\(acdr.3\c0,and avoid the version (,4.70\(acdr.3\)c0); Upgrade zyxel gs1915-24ep_firmware to a higher version than 4.70\(acds.3\c0,and avoid the version (,4.70\(acds.3\)c0); Upgrade zyxel gs1920-24v2_firmware to a higher version than 4.70\(abmh.8\c0,and avoid the version (,4.70\(abmh.8\)c0); Upgrade zyxel gs1920-48v2_firmware to a higher version than 4.70\(abmj.8\c0,and avoid the version (,4.70\(abmj.8\)c0); Upgrade zyxel gs1920-24hpv2_firmware to a higher version than 4.70\(abmi.8\c0,and avoid the version (,4.70\(abmi.8\)c0); Upgrade zyxel gs1920-48hpv2_firmware to a higher version than 4.70\(abmk.8\c0,and avoid the version (,4.70\(abmk.8\)c0); Upgrade zyxel gs2220-10_firmware to a higher version than 4.70\(abro.6\c0,and avoid the version (,4.70\(abro.6\)c0); Upgrade zyxel gs2220-28_firmware to a higher version than 4.70\(abrq.6\c0,and avoid the version (,4.70\(abrq.6\)c0); Upgrade zyxel gs2220-50_firmware to a higher version than 4.70\(abrs.6\c0,and avoid the version (,4.70\(abrs.6\)c0); Upgrade zyxel gs2220-10hp_firmware to a higher version than 4.70\(abrp.6\c0,and avoid the version (,4.70\(abrp.6\)c0); Upgrade zyxel gs2220-28hp_firmware to a higher version than 4.70\(abrr.6\c0,and avoid the version (,4.70\(abrr.6\)c0); Upgrade zyxel gs2220-50hp_firmware to a higher version than 4.70\(abrt.6\c0,and avoid the version (,4.70\(abrt.6\)c0); Upgrade zyxel xgs1930-28_firmware to a higher version than 4.70\(abht.5\c0,and avoid the version (,4.70\(abht.5\)c0); Upgrade zyxel xgs1930-28hp_firmware to a higher version than 4.70\(abhs.5\c0,and avoid the version (,4.70\(abhs.5\)c0); Upgrade zyxel xgs1930-52_firmware to a higher version than 4.70\(abhu.5\c0,and avoid the version (,4.70\(abhu.5\)c0); Upgrade zyxel xgs1930-52hp_firmware to a higher version than 4.70\(abhv.5\c0,and avoid the version (,4.70\(abhv.5\)c0); Upgrade zyxel xs1930-10_firmware to a higher version than 4.80\(abqe.0\c0,and avoid the version (,4.80\(abqe.0\)c0); Upgrade zyxel xs1930-12hp_firmware to a higher version than 4.80\(abqf.0\c0,and avoid the version (,4.80\(abqf.0\)c0); Upgrade zyxel xs1930-12f_firmware to a higher version than 4.80\(abzv.0\c0,and avoid the version (,4.80\(abzv.0\)c0); Upgrade zyxel xgs2210-28_firmware to a higher version than 4.70\(aazj.2\c0,and avoid the version (,4.70\(aazj.2\)c0); Upgrade zyxel xgs2210-52_firmware to a higher version than 4.70\(aazk.2\c0,and avoid the version (,4.70\(aazk.2\)c0); Upgrade zyxel xgs2210-28hp_firmware to a higher version than 4.70\(aazl.2\c0,and avoid the version (,4.70\(aazl.2\)c0); Upgrade zyxel xgs2210-52hp_firmware to a higher version than 4.70\(aazm.2\c0,and avoid the version (,4.70\(aazm.2\)c0); Upgrade zyxel xgs2220-30_firmware to a higher version than 4.80\(abxn.1\c0,and avoid the version (,4.80\(abxn.1\)c0); Upgrade zyxel xgs2220-30hp_firmware to a higher version than 4.80\(abxo.1\c0,and avoid the version (,4.80\(abxo.1\)c0); Upgrade zyxel xgs2220-30f_firmware to a higher version than 4.80\(abye.1\c0,and avoid the version (,4.80\(abye.1\)c0); Upgrade zyxel xgs2220-54_firmware to a higher version than 4.80\(abxp.1\c0,and avoid the version (,4.80\(abxp.1\)c0); Upgrade zyxel xgs2220-54hp_firmware to a higher version than 4.80\(abxq.1\c0,and avoid the version (,4.80\(abxq.1\)c0); Upgrade zyxel xgs2220-54fp_firmware to a higher version than 4.80\(acce.1\c0,and avoid the version (,4.80\(acce.1\)c0); Upgrade zyxel xgs4600-32_firmware to a higher version than 4.70\(abbh.4\c0,and avoid the version (,4.70\(abbh.4\)c0); Upgrade zyxel xgs4600-32f_firmware to a higher version than 4.70\(abbi.4\c0,and avoid the version (,4.70\(abbi.4\)c0); Upgrade zyxel xgs4600-52f_firmware to a higher version than 4.70\(abik.4\c0,and avoid the version (,4.70\(abik.4\)c0); Upgrade zyxel xmg1930-30_firmware to a higher version than 4.80\(acar.0\,and avoid the version (,4.80\(acar.0\)); Upgrade zyxel xmg1930-30hp_firmware to a higher version than 4.80\(acas.0\,and avoid the version (,4.80\(acas.0\)); Upgrade zyxel xs3800-28_firmware to a higher version than 4.80\(abml.1\c0,and avoid the version (,4.80\(abml.1\)c0]; Upgrade zyxel mgs3500-24s_firmware to a higher version than 4.10\(abbr.2\c0,and avoid the version (,4.10\(abbr.2\)c0); Upgrade zyxel mgs3520-28_firmware to a higher version than 4.10\(aatn.5\c0,4.10(abqm.1c0,and avoid the version (,4.10\(aatn.5\)c0),4.10(abqm.1)c0; Upgrade zyxel mgs3520-28f_firmware to a higher version than 4.10\(aatm.4\c0,and avoid the version (,4.10\(aatm.4\)c0); Upgrade zyxel mgs3530-28_firmware to a higher version than 4.10\(acem.2\c0,4.10(acfj.0c0,and avoid the version (,4.10\(acem.2\)c0),4.10(acfj.0)c0